Home / 3,542.03-5,282.11-3,143.75

Finding the Fourth Proportional to 3,542.03, 5,282.11 and 3,143.75

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Solution

The fourth proportional to 3,542.03, 5,282.11 and 3,143.75 is: 4,688.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,542.03 : 5,282.11 = 3,143.75 : x
  2. Step 2: Convert to fraction form
    3,542.03/5,282.11 = 3,143.75/x
  3. Step 3: Cross multiply
    3,542.03x = 5,282.11 × 3,143.75
  4. Step 4: Simplify right side
    3,542.03x = 16,605,610.83
  5. Step 5: Solve for x
    x = 16,605,610.83/3,542.03
  6. Step 6: Final answer
    x = 4,688.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.