Home / 3,177.64-4,384.38-2,432.44

Finding the Fourth Proportional to 3,177.64, 4,384.38 and 2,432.44

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Solution

The fourth proportional to 3,177.64, 4,384.38 and 2,432.44 is: 3,356.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.64 : 4,384.38 = 2,432.44 : x
  2. Step 2: Convert to fraction form
    3,177.64/4,384.38 = 2,432.44/x
  3. Step 3: Cross multiply
    3,177.64x = 4,384.38 × 2,432.44
  4. Step 4: Simplify right side
    3,177.64x = 10,664,741.29
  5. Step 5: Solve for x
    x = 10,664,741.29/3,177.64
  6. Step 6: Final answer
    x = 3,356.18

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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.