Home / 1,402.38-2,102.54-1,057.93

Finding the Fourth Proportional to 1,402.38, 2,102.54 and 1,057.93

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Solution

The fourth proportional to 1,402.38, 2,102.54 and 1,057.93 is: 1,586.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402.38 : 2,102.54 = 1,057.93 : x
  2. Step 2: Convert to fraction form
    1,402.38/2,102.54 = 1,057.93/x
  3. Step 3: Cross multiply
    1,402.38x = 2,102.54 × 1,057.93
  4. Step 4: Simplify right side
    1,402.38x = 2,224,329.60
  5. Step 5: Solve for x
    x = 2,224,329.60/1,402.38
  6. Step 6: Final answer
    x = 1,586.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.