Home / 3,287.17-4,534.95-2,168.65

Finding the Fourth Proportional to 3,287.17, 4,534.95 and 2,168.65

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Solution

The fourth proportional to 3,287.17, 4,534.95 and 2,168.65 is: 2,991.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.17 : 4,534.95 = 2,168.65 : x
  2. Step 2: Convert to fraction form
    3,287.17/4,534.95 = 2,168.65/x
  3. Step 3: Cross multiply
    3,287.17x = 4,534.95 × 2,168.65
  4. Step 4: Simplify right side
    3,287.17x = 9,834,719.32
  5. Step 5: Solve for x
    x = 9,834,719.32/3,287.17
  6. Step 6: Final answer
    x = 2,991.85

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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.