Home / 3,077.34-4,250.25-2,811.12

Finding the Fourth Proportional to 3,077.34, 4,250.25 and 2,811.12

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Solution

The fourth proportional to 3,077.34, 4,250.25 and 2,811.12 is: 3,882.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077.34 : 4,250.25 = 2,811.12 : x
  2. Step 2: Convert to fraction form
    3,077.34/4,250.25 = 2,811.12/x
  3. Step 3: Cross multiply
    3,077.34x = 4,250.25 × 2,811.12
  4. Step 4: Simplify right side
    3,077.34x = 11,947,962.78
  5. Step 5: Solve for x
    x = 11,947,962.78/3,077.34
  6. Step 6: Final answer
    x = 3,882.56

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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.