Home / 1,901.48-2,622.78-1,114.76

Finding the Fourth Proportional to 1,901.48, 2,622.78 and 1,114.76

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Solution

The fourth proportional to 1,901.48, 2,622.78 and 1,114.76 is: 1,537.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,901.48 : 2,622.78 = 1,114.76 : x
  2. Step 2: Convert to fraction form
    1,901.48/2,622.78 = 1,114.76/x
  3. Step 3: Cross multiply
    1,901.48x = 2,622.78 × 1,114.76
  4. Step 4: Simplify right side
    1,901.48x = 2,923,770.23
  5. Step 5: Solve for x
    x = 2,923,770.23/1,901.48
  6. Step 6: Final answer
    x = 1,537.63

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Half scale
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Double scale
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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.