Home / 2,687.04-3,708.02-1,508.18

Finding the Fourth Proportional to 2,687.04, 3,708.02 and 1,508.18

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Solution

The fourth proportional to 2,687.04, 3,708.02 and 1,508.18 is: 2,081.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,687.04 : 3,708.02 = 1,508.18 : x
  2. Step 2: Convert to fraction form
    2,687.04/3,708.02 = 1,508.18/x
  3. Step 3: Cross multiply
    2,687.04x = 3,708.02 × 1,508.18
  4. Step 4: Simplify right side
    2,687.04x = 5,592,335.52
  5. Step 5: Solve for x
    x = 5,592,335.52/2,687.04
  6. Step 6: Final answer
    x = 2,081.23

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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.