Home / 2,287.28-3,154.92-1,588.16

Finding the Fourth Proportional to 2,287.28, 3,154.92 and 1,588.16

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Solution

The fourth proportional to 2,287.28, 3,154.92 and 1,588.16 is: 2,190.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,287.28 : 3,154.92 = 1,588.16 : x
  2. Step 2: Convert to fraction form
    2,287.28/3,154.92 = 1,588.16/x
  3. Step 3: Cross multiply
    2,287.28x = 3,154.92 × 1,588.16
  4. Step 4: Simplify right side
    2,287.28x = 5,010,517.75
  5. Step 5: Solve for x
    x = 5,010,517.75/2,287.28
  6. Step 6: Final answer
    x = 2,190.60

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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.