Home / 2,377.28-3,280.58-1,382.88

Finding the Fourth Proportional to 2,377.28, 3,280.58 and 1,382.88

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Solution

The fourth proportional to 2,377.28, 3,280.58 and 1,382.88 is: 1,908.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,377.28 : 3,280.58 = 1,382.88 : x
  2. Step 2: Convert to fraction form
    2,377.28/3,280.58 = 1,382.88/x
  3. Step 3: Cross multiply
    2,377.28x = 3,280.58 × 1,382.88
  4. Step 4: Simplify right side
    2,377.28x = 4,536,648.47
  5. Step 5: Solve for x
    x = 4,536,648.47/2,377.28
  6. Step 6: Final answer
    x = 1,908.34

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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.