Home / 3,854.74-5,319.42-2,528.87

Finding the Fourth Proportional to 3,854.74, 5,319.42 and 2,528.87

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Solution

The fourth proportional to 3,854.74, 5,319.42 and 2,528.87 is: 3,489.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,854.74 : 5,319.42 = 2,528.87 : x
  2. Step 2: Convert to fraction form
    3,854.74/5,319.42 = 2,528.87/x
  3. Step 3: Cross multiply
    3,854.74x = 5,319.42 × 2,528.87
  4. Step 4: Simplify right side
    3,854.74x = 13,452,129.72
  5. Step 5: Solve for x
    x = 13,452,129.72/3,854.74
  6. Step 6: Final answer
    x = 3,489.76

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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.