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Finding the Fourth Proportional to 3,443.67, 4,752.23 and 1,871.73

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Solution

The fourth proportional to 3,443.67, 4,752.23 and 1,871.73 is: 2,582.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,443.67 : 4,752.23 = 1,871.73 : x
  2. Step 2: Convert to fraction form
    3,443.67/4,752.23 = 1,871.73/x
  3. Step 3: Cross multiply
    3,443.67x = 4,752.23 × 1,871.73
  4. Step 4: Simplify right side
    3,443.67x = 8,894,882.10
  5. Step 5: Solve for x
    x = 8,894,882.10/3,443.67
  6. Step 6: Final answer
    x = 2,582.97

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1.5x scale

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.