Home / 2,432.33-3,642.64-1,389.17

Finding the Fourth Proportional to 2,432.33, 3,642.64 and 1,389.17

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Solution

The fourth proportional to 2,432.33, 3,642.64 and 1,389.17 is: 2,080.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,432.33 : 3,642.64 = 1,389.17 : x
  2. Step 2: Convert to fraction form
    2,432.33/3,642.64 = 1,389.17/x
  3. Step 3: Cross multiply
    2,432.33x = 3,642.64 × 1,389.17
  4. Step 4: Simplify right side
    2,432.33x = 5,060,241.97
  5. Step 5: Solve for x
    x = 5,060,241.97/2,432.33
  6. Step 6: Final answer
    x = 2,080.41

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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.