Home / 3,945.52-5,444.63-2,265.74

Finding the Fourth Proportional to 3,945.52, 5,444.63 and 2,265.74

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Solution

The fourth proportional to 3,945.52, 5,444.63 and 2,265.74 is: 3,126.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945.52 : 5,444.63 = 2,265.74 : x
  2. Step 2: Convert to fraction form
    3,945.52/5,444.63 = 2,265.74/x
  3. Step 3: Cross multiply
    3,945.52x = 5,444.63 × 2,265.74
  4. Step 4: Simplify right side
    3,945.52x = 12,336,149.71
  5. Step 5: Solve for x
    x = 12,336,149.71/3,945.52
  6. Step 6: Final answer
    x = 3,126.62

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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.