Home / 3,342.24-4,605.60-2,221.92

Finding the Fourth Proportional to 3,342.24, 4,605.60 and 2,221.92

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Solution

The fourth proportional to 3,342.24, 4,605.60 and 2,221.92 is: 3,061.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,342.24 : 4,605.60 = 2,221.92 : x
  2. Step 2: Convert to fraction form
    3,342.24/4,605.60 = 2,221.92/x
  3. Step 3: Cross multiply
    3,342.24x = 4,605.60 × 2,221.92
  4. Step 4: Simplify right side
    3,342.24x = 10,233,274.75
  5. Step 5: Solve for x
    x = 10,233,274.75/3,342.24
  6. Step 6: Final answer
    x = 3,061.80

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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.