Home / 3,679.40-5,521.32-1,599.38

Finding the Fourth Proportional to 3,679.40, 5,521.32 and 1,599.38

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Solution

The fourth proportional to 3,679.40, 5,521.32 and 1,599.38 is: 2,400.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679.40 : 5,521.32 = 1,599.38 : x
  2. Step 2: Convert to fraction form
    3,679.40/5,521.32 = 1,599.38/x
  3. Step 3: Cross multiply
    3,679.40x = 5,521.32 × 1,599.38
  4. Step 4: Simplify right side
    3,679.40x = 8,830,688.78
  5. Step 5: Solve for x
    x = 8,830,688.78/3,679.40
  6. Step 6: Final answer
    x = 2,400.04

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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.