Home / 3,962.31-5,470.20-2,705.25

Finding the Fourth Proportional to 3,962.31, 5,470.20 and 2,705.25

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Solution

The fourth proportional to 3,962.31, 5,470.20 and 2,705.25 is: 3,734.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,962.31 : 5,470.20 = 2,705.25 : x
  2. Step 2: Convert to fraction form
    3,962.31/5,470.20 = 2,705.25/x
  3. Step 3: Cross multiply
    3,962.31x = 5,470.20 × 2,705.25
  4. Step 4: Simplify right side
    3,962.31x = 14,798,258.55
  5. Step 5: Solve for x
    x = 14,798,258.55/3,962.31
  6. Step 6: Final answer
    x = 3,734.76

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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.