Home / 2,432.81-3,349.91-2,039.15

Finding the Fourth Proportional to 2,432.81, 3,349.91 and 2,039.15

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Solution

The fourth proportional to 2,432.81, 3,349.91 and 2,039.15 is: 2,807.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,432.81 : 3,349.91 = 2,039.15 : x
  2. Step 2: Convert to fraction form
    2,432.81/3,349.91 = 2,039.15/x
  3. Step 3: Cross multiply
    2,432.81x = 3,349.91 × 2,039.15
  4. Step 4: Simplify right side
    2,432.81x = 6,830,942.03
  5. Step 5: Solve for x
    x = 6,830,942.03/2,432.81
  6. Step 6: Final answer
    x = 2,807.85

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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.