Home / 3,342.24-4,614.38-2,147.70

Finding the Fourth Proportional to 3,342.24, 4,614.38 and 2,147.70

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Solution

The fourth proportional to 3,342.24, 4,614.38 and 2,147.70 is: 2,965.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,342.24 : 4,614.38 = 2,147.70 : x
  2. Step 2: Convert to fraction form
    3,342.24/4,614.38 = 2,147.70/x
  3. Step 3: Cross multiply
    3,342.24x = 4,614.38 × 2,147.70
  4. Step 4: Simplify right side
    3,342.24x = 9,910,303.93
  5. Step 5: Solve for x
    x = 9,910,303.93/3,342.24
  6. Step 6: Final answer
    x = 2,965.17

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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.