Home / 1,539.24-2,122.85-1,301.13

Finding the Fourth Proportional to 1,539.24, 2,122.85 and 1,301.13

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Solution

The fourth proportional to 1,539.24, 2,122.85 and 1,301.13 is: 1,794.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539.24 : 2,122.85 = 1,301.13 : x
  2. Step 2: Convert to fraction form
    1,539.24/2,122.85 = 1,301.13/x
  3. Step 3: Cross multiply
    1,539.24x = 2,122.85 × 1,301.13
  4. Step 4: Simplify right side
    1,539.24x = 2,762,088.97
  5. Step 5: Solve for x
    x = 2,762,088.97/1,539.24
  6. Step 6: Final answer
    x = 1,794.44

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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.