Home / 2,276.04-3,139.38-2,008.20

Finding the Fourth Proportional to 2,276.04, 3,139.38 and 2,008.20

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Solution

The fourth proportional to 2,276.04, 3,139.38 and 2,008.20 is: 2,769.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,276.04 : 3,139.38 = 2,008.20 : x
  2. Step 2: Convert to fraction form
    2,276.04/3,139.38 = 2,008.20/x
  3. Step 3: Cross multiply
    2,276.04x = 3,139.38 × 2,008.20
  4. Step 4: Simplify right side
    2,276.04x = 6,304,502.92
  5. Step 5: Solve for x
    x = 6,304,502.92/2,276.04
  6. Step 6: Final answer
    x = 2,769.94

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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.