Home / 2,342.28-3,231.79-1,457.61

Finding the Fourth Proportional to 2,342.28, 3,231.79 and 1,457.61

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Solution

The fourth proportional to 2,342.28, 3,231.79 and 1,457.61 is: 2,011.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,342.28 : 3,231.79 = 1,457.61 : x
  2. Step 2: Convert to fraction form
    2,342.28/3,231.79 = 1,457.61/x
  3. Step 3: Cross multiply
    2,342.28x = 3,231.79 × 1,457.61
  4. Step 4: Simplify right side
    2,342.28x = 4,710,689.42
  5. Step 5: Solve for x
    x = 4,710,689.42/2,342.28
  6. Step 6: Final answer
    x = 2,011.16

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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.