Home / 3,425.12-4,728.48-2,637.44

Finding the Fourth Proportional to 3,425.12, 4,728.48 and 2,637.44

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Solution

The fourth proportional to 3,425.12, 4,728.48 and 2,637.44 is: 3,641.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.12 : 4,728.48 = 2,637.44 : x
  2. Step 2: Convert to fraction form
    3,425.12/4,728.48 = 2,637.44/x
  3. Step 3: Cross multiply
    3,425.12x = 4,728.48 × 2,637.44
  4. Step 4: Simplify right side
    3,425.12x = 12,471,082.29
  5. Step 5: Solve for x
    x = 12,471,082.29/3,425.12
  6. Step 6: Final answer
    x = 3,641.06

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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.