Home / 3,531.65-5,294.24-1,221.53

Finding the Fourth Proportional to 3,531.65, 5,294.24 and 1,221.53

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Solution

The fourth proportional to 3,531.65, 5,294.24 and 1,221.53 is: 1,831.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.65 : 5,294.24 = 1,221.53 : x
  2. Step 2: Convert to fraction form
    3,531.65/5,294.24 = 1,221.53/x
  3. Step 3: Cross multiply
    3,531.65x = 5,294.24 × 1,221.53
  4. Step 4: Simplify right side
    3,531.65x = 6,467,040.41
  5. Step 5: Solve for x
    x = 6,467,040.41/3,531.65
  6. Step 6: Final answer
    x = 1,831.17

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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.