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Finding the Fourth Proportional to 3,480.92, 5,252.42 and 3,345.92

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Solution

The fourth proportional to 3,480.92, 5,252.42 and 3,345.92 is: 5,048.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,480.92 : 5,252.42 = 3,345.92 : x
  2. Step 2: Convert to fraction form
    3,480.92/5,252.42 = 3,345.92/x
  3. Step 3: Cross multiply
    3,480.92x = 5,252.42 × 3,345.92
  4. Step 4: Simplify right side
    3,480.92x = 17,574,177.13
  5. Step 5: Solve for x
    x = 17,574,177.13/3,480.92
  6. Step 6: Final answer
    x = 5,048.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.