Home / 1,890.84-2,608.34-1,104.76

Finding the Fourth Proportional to 1,890.84, 2,608.34 and 1,104.76

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Solution

The fourth proportional to 1,890.84, 2,608.34 and 1,104.76 is: 1,523.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890.84 : 2,608.34 = 1,104.76 : x
  2. Step 2: Convert to fraction form
    1,890.84/2,608.34 = 1,104.76/x
  3. Step 3: Cross multiply
    1,890.84x = 2,608.34 × 1,104.76
  4. Step 4: Simplify right side
    1,890.84x = 2,881,589.70
  5. Step 5: Solve for x
    x = 2,881,589.70/1,890.84
  6. Step 6: Final answer
    x = 1,523.97

Related Problems

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Half scale
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Double scale
Find fourth proportional to 1,891.84, 2,609.72 and 1,105.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.