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Finding the Fourth Proportional to 3,488.77, 5,233.38 and 1,540.97

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Solution

The fourth proportional to 3,488.77, 5,233.38 and 1,540.97 is: 2,311.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,488.77 : 5,233.38 = 1,540.97 : x
  2. Step 2: Convert to fraction form
    3,488.77/5,233.38 = 1,540.97/x
  3. Step 3: Cross multiply
    3,488.77x = 5,233.38 × 1,540.97
  4. Step 4: Simplify right side
    3,488.77x = 8,064,477.93
  5. Step 5: Solve for x
    x = 8,064,477.93/3,488.77
  6. Step 6: Final answer
    x = 2,311.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.