Home / 4,231.50-6,342.72-1,457.38

Finding the Fourth Proportional to 4,231.50, 6,342.72 and 1,457.38

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Solution

The fourth proportional to 4,231.50, 6,342.72 and 1,457.38 is: 2,184.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,231.50 : 6,342.72 = 1,457.38 : x
  2. Step 2: Convert to fraction form
    4,231.50/6,342.72 = 1,457.38/x
  3. Step 3: Cross multiply
    4,231.50x = 6,342.72 × 1,457.38
  4. Step 4: Simplify right side
    4,231.50x = 9,243,753.27
  5. Step 5: Solve for x
    x = 9,243,753.27/4,231.50
  6. Step 6: Final answer
    x = 2,184.51

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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.