Home / 3,182.85-4,392.70-3,080.79

Finding the Fourth Proportional to 3,182.85, 4,392.70 and 3,080.79

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Solution

The fourth proportional to 3,182.85, 4,392.70 and 3,080.79 is: 4,251.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182.85 : 4,392.70 = 3,080.79 : x
  2. Step 2: Convert to fraction form
    3,182.85/4,392.70 = 3,080.79/x
  3. Step 3: Cross multiply
    3,182.85x = 4,392.70 × 3,080.79
  4. Step 4: Simplify right side
    3,182.85x = 13,532,978.53
  5. Step 5: Solve for x
    x = 13,532,978.53/3,182.85
  6. Step 6: Final answer
    x = 4,251.84

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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.