Home / 3,557.92-5,305.52-3,311.68

Finding the Fourth Proportional to 3,557.92, 5,305.52 and 3,311.68

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Solution

The fourth proportional to 3,557.92, 5,305.52 and 3,311.68 is: 4,938.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557.92 : 5,305.52 = 3,311.68 : x
  2. Step 2: Convert to fraction form
    3,557.92/5,305.52 = 3,311.68/x
  3. Step 3: Cross multiply
    3,557.92x = 5,305.52 × 3,311.68
  4. Step 4: Simplify right side
    3,557.92x = 17,570,184.47
  5. Step 5: Solve for x
    x = 17,570,184.47/3,557.92
  6. Step 6: Final answer
    x = 4,938.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.