Home / 3,854.11-5,318.36-2,175.92

Finding the Fourth Proportional to 3,854.11, 5,318.36 and 2,175.92

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Solution

The fourth proportional to 3,854.11, 5,318.36 and 2,175.92 is: 3,002.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,854.11 : 5,318.36 = 2,175.92 : x
  2. Step 2: Convert to fraction form
    3,854.11/5,318.36 = 2,175.92/x
  3. Step 3: Cross multiply
    3,854.11x = 5,318.36 × 2,175.92
  4. Step 4: Simplify right side
    3,854.11x = 11,572,325.89
  5. Step 5: Solve for x
    x = 11,572,325.89/3,854.11
  6. Step 6: Final answer
    x = 3,002.60

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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.