Home / 4,231.92-6,345.85-2,428.53

Finding the Fourth Proportional to 4,231.92, 6,345.85 and 2,428.53

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Solution

The fourth proportional to 4,231.92, 6,345.85 and 2,428.53 is: 3,641.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,231.92 : 6,345.85 = 2,428.53 : x
  2. Step 2: Convert to fraction form
    4,231.92/6,345.85 = 2,428.53/x
  3. Step 3: Cross multiply
    4,231.92x = 6,345.85 × 2,428.53
  4. Step 4: Simplify right side
    4,231.92x = 15,411,087.10
  5. Step 5: Solve for x
    x = 15,411,087.10/4,231.92
  6. Step 6: Final answer
    x = 3,641.63

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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.