Home / 1,539.28-2,321.98-1,536.04

Finding the Fourth Proportional to 1,539.28, 2,321.98 and 1,536.04

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Solution

The fourth proportional to 1,539.28, 2,321.98 and 1,536.04 is: 2,317.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539.28 : 2,321.98 = 1,536.04 : x
  2. Step 2: Convert to fraction form
    1,539.28/2,321.98 = 1,536.04/x
  3. Step 3: Cross multiply
    1,539.28x = 2,321.98 × 1,536.04
  4. Step 4: Simplify right side
    1,539.28x = 3,566,654.16
  5. Step 5: Solve for x
    x = 3,566,654.16/1,539.28
  6. Step 6: Final answer
    x = 2,317.09

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.