Home / 3,011.37-4,517.06-1,977.90

Finding the Fourth Proportional to 3,011.37, 4,517.06 and 1,977.90

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Solution

The fourth proportional to 3,011.37, 4,517.06 and 1,977.90 is: 2,966.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,011.37 : 4,517.06 = 1,977.90 : x
  2. Step 2: Convert to fraction form
    3,011.37/4,517.06 = 1,977.90/x
  3. Step 3: Cross multiply
    3,011.37x = 4,517.06 × 1,977.90
  4. Step 4: Simplify right side
    3,011.37x = 8,934,292.97
  5. Step 5: Solve for x
    x = 8,934,292.97/3,011.37
  6. Step 6: Final answer
    x = 2,966.85

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Similar ratio
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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.