Home / 1,294.24-1,938.10-1,037.20

Finding the Fourth Proportional to 1,294.24, 1,938.10 and 1,037.20

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Solution

The fourth proportional to 1,294.24, 1,938.10 and 1,037.20 is: 1,553.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294.24 : 1,938.10 = 1,037.20 : x
  2. Step 2: Convert to fraction form
    1,294.24/1,938.10 = 1,037.20/x
  3. Step 3: Cross multiply
    1,294.24x = 1,938.10 × 1,037.20
  4. Step 4: Simplify right side
    1,294.24x = 2,010,197.32
  5. Step 5: Solve for x
    x = 2,010,197.32/1,294.24
  6. Step 6: Final answer
    x = 1,553.19

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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.