Home / 3,177.12-4,384.40-2,734.24

Finding the Fourth Proportional to 3,177.12, 4,384.40 and 2,734.24

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Solution

The fourth proportional to 3,177.12, 4,384.40 and 2,734.24 is: 3,773.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.12 : 4,384.40 = 2,734.24 : x
  2. Step 2: Convert to fraction form
    3,177.12/4,384.40 = 2,734.24/x
  3. Step 3: Cross multiply
    3,177.12x = 4,384.40 × 2,734.24
  4. Step 4: Simplify right side
    3,177.12x = 11,988,001.86
  5. Step 5: Solve for x
    x = 11,988,001.86/3,177.12
  6. Step 6: Final answer
    x = 3,773.23

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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.