Home / 3,743.61-5,165.71-2,251.45

Finding the Fourth Proportional to 3,743.61, 5,165.71 and 2,251.45

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Solution

The fourth proportional to 3,743.61, 5,165.71 and 2,251.45 is: 3,106.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,743.61 : 5,165.71 = 2,251.45 : x
  2. Step 2: Convert to fraction form
    3,743.61/5,165.71 = 2,251.45/x
  3. Step 3: Cross multiply
    3,743.61x = 5,165.71 × 2,251.45
  4. Step 4: Simplify right side
    3,743.61x = 11,630,337.78
  5. Step 5: Solve for x
    x = 11,630,337.78/3,743.61
  6. Step 6: Final answer
    x = 3,106.72

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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.