Home / 2,817.28-3,882.88-2,376.32

Finding the Fourth Proportional to 2,817.28, 3,882.88 and 2,376.32

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Solution

The fourth proportional to 2,817.28, 3,882.88 and 2,376.32 is: 3,275.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,817.28 : 3,882.88 = 2,376.32 : x
  2. Step 2: Convert to fraction form
    2,817.28/3,882.88 = 2,376.32/x
  3. Step 3: Cross multiply
    2,817.28x = 3,882.88 × 2,376.32
  4. Step 4: Simplify right side
    2,817.28x = 9,226,965.40
  5. Step 5: Solve for x
    x = 9,226,965.40/2,817.28
  6. Step 6: Final answer
    x = 3,275.13

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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.