Home / 4,232.28-6,342.90-2,931

Finding the Fourth Proportional to 4,232.28, 6,342.90 and 2,931

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Solution

The fourth proportional to 4,232.28, 6,342.90 and 2,931 is: 4,392.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,232.28 : 6,342.90 = 2,931 : x
  2. Step 2: Convert to fraction form
    4,232.28/6,342.90 = 2,931/x
  3. Step 3: Cross multiply
    4,232.28x = 6,342.90 × 2,931
  4. Step 4: Simplify right side
    4,232.28x = 18,591,039.90
  5. Step 5: Solve for x
    x = 18,591,039.90/4,232.28
  6. Step 6: Final answer
    x = 4,392.68

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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.