Home / 3,521.18-5,282.51-1,329.86

Finding the Fourth Proportional to 3,521.18, 5,282.51 and 1,329.86

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Solution

The fourth proportional to 3,521.18, 5,282.51 and 1,329.86 is: 1,995.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.18 : 5,282.51 = 1,329.86 : x
  2. Step 2: Convert to fraction form
    3,521.18/5,282.51 = 1,329.86/x
  3. Step 3: Cross multiply
    3,521.18x = 5,282.51 × 1,329.86
  4. Step 4: Simplify right side
    3,521.18x = 7,024,998.75
  5. Step 5: Solve for x
    x = 7,024,998.75/3,521.18
  6. Step 6: Final answer
    x = 1,995.07

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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.