Home / 1,890.74-2,608.84-1,104.64

Finding the Fourth Proportional to 1,890.74, 2,608.84 and 1,104.64

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Solution

The fourth proportional to 1,890.74, 2,608.84 and 1,104.64 is: 1,524.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890.74 : 2,608.84 = 1,104.64 : x
  2. Step 2: Convert to fraction form
    1,890.74/2,608.84 = 1,104.64/x
  3. Step 3: Cross multiply
    1,890.74x = 2,608.84 × 1,104.64
  4. Step 4: Simplify right side
    1,890.74x = 2,881,829.02
  5. Step 5: Solve for x
    x = 2,881,829.02/1,890.74
  6. Step 6: Final answer
    x = 1,524.18

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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.