Home / 2,932.78-4,047.28-1,606.61

Finding the Fourth Proportional to 2,932.78, 4,047.28 and 1,606.61

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Solution

The fourth proportional to 2,932.78, 4,047.28 and 1,606.61 is: 2,217.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,932.78 : 4,047.28 = 1,606.61 : x
  2. Step 2: Convert to fraction form
    2,932.78/4,047.28 = 1,606.61/x
  3. Step 3: Cross multiply
    2,932.78x = 4,047.28 × 1,606.61
  4. Step 4: Simplify right side
    2,932.78x = 6,502,376.27
  5. Step 5: Solve for x
    x = 6,502,376.27/2,932.78
  6. Step 6: Final answer
    x = 2,217.14

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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.