Home / 2,717.28-4,077.12-2,102.24

Finding the Fourth Proportional to 2,717.28, 4,077.12 and 2,102.24

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Solution

The fourth proportional to 2,717.28, 4,077.12 and 2,102.24 is: 3,154.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717.28 : 4,077.12 = 2,102.24 : x
  2. Step 2: Convert to fraction form
    2,717.28/4,077.12 = 2,102.24/x
  3. Step 3: Cross multiply
    2,717.28x = 4,077.12 × 2,102.24
  4. Step 4: Simplify right side
    2,717.28x = 8,571,084.75
  5. Step 5: Solve for x
    x = 8,571,084.75/2,717.28
  6. Step 6: Final answer
    x = 3,154.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.