Home / 3,660.81-5,480.51-2,269.95

Finding the Fourth Proportional to 3,660.81, 5,480.51 and 2,269.95

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Solution

The fourth proportional to 3,660.81, 5,480.51 and 2,269.95 is: 3,398.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,660.81 : 5,480.51 = 2,269.95 : x
  2. Step 2: Convert to fraction form
    3,660.81/5,480.51 = 2,269.95/x
  3. Step 3: Cross multiply
    3,660.81x = 5,480.51 × 2,269.95
  4. Step 4: Simplify right side
    3,660.81x = 12,440,472.32
  5. Step 5: Solve for x
    x = 12,440,472.32/3,660.81
  6. Step 6: Final answer
    x = 3,398.28

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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.