Home / 3,937.32-5,432.82-2,258.64

Finding the Fourth Proportional to 3,937.32, 5,432.82 and 2,258.64

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Solution

The fourth proportional to 3,937.32, 5,432.82 and 2,258.64 is: 3,116.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937.32 : 5,432.82 = 2,258.64 : x
  2. Step 2: Convert to fraction form
    3,937.32/5,432.82 = 2,258.64/x
  3. Step 3: Cross multiply
    3,937.32x = 5,432.82 × 2,258.64
  4. Step 4: Simplify right side
    3,937.32x = 12,270,784.56
  5. Step 5: Solve for x
    x = 12,270,784.56/3,937.32
  6. Step 6: Final answer
    x = 3,116.53

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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.