Home / 3,245.59-4,474.25-2,312.47

Finding the Fourth Proportional to 3,245.59, 4,474.25 and 2,312.47

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Solution

The fourth proportional to 3,245.59, 4,474.25 and 2,312.47 is: 3,187.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,245.59 : 4,474.25 = 2,312.47 : x
  2. Step 2: Convert to fraction form
    3,245.59/4,474.25 = 2,312.47/x
  3. Step 3: Cross multiply
    3,245.59x = 4,474.25 × 2,312.47
  4. Step 4: Simplify right side
    3,245.59x = 10,346,534.96
  5. Step 5: Solve for x
    x = 10,346,534.96/3,245.59
  6. Step 6: Final answer
    x = 3,187.88

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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.