Home / 3,372.77-5,055.18-1,521.71

Finding the Fourth Proportional to 3,372.77, 5,055.18 and 1,521.71

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Solution

The fourth proportional to 3,372.77, 5,055.18 and 1,521.71 is: 2,280.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,372.77 : 5,055.18 = 1,521.71 : x
  2. Step 2: Convert to fraction form
    3,372.77/5,055.18 = 1,521.71/x
  3. Step 3: Cross multiply
    3,372.77x = 5,055.18 × 1,521.71
  4. Step 4: Simplify right side
    3,372.77x = 7,692,517.96
  5. Step 5: Solve for x
    x = 7,692,517.96/3,372.77
  6. Step 6: Final answer
    x = 2,280.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.