Home / 3,507.52-4,842.67-2,672.53

Finding the Fourth Proportional to 3,507.52, 4,842.67 and 2,672.53

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Solution

The fourth proportional to 3,507.52, 4,842.67 and 2,672.53 is: 3,689.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507.52 : 4,842.67 = 2,672.53 : x
  2. Step 2: Convert to fraction form
    3,507.52/4,842.67 = 2,672.53/x
  3. Step 3: Cross multiply
    3,507.52x = 4,842.67 × 2,672.53
  4. Step 4: Simplify right side
    3,507.52x = 12,942,151.23
  5. Step 5: Solve for x
    x = 12,942,151.23/3,507.52
  6. Step 6: Final answer
    x = 3,689.83

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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.