Home / 2,354.15-3,531.67-1,122.14

Finding the Fourth Proportional to 2,354.15, 3,531.67 and 1,122.14

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Solution

The fourth proportional to 2,354.15, 3,531.67 and 1,122.14 is: 1,683.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,354.15 : 3,531.67 = 1,122.14 : x
  2. Step 2: Convert to fraction form
    2,354.15/3,531.67 = 1,122.14/x
  3. Step 3: Cross multiply
    2,354.15x = 3,531.67 × 1,122.14
  4. Step 4: Simplify right side
    2,354.15x = 3,963,028.17
  5. Step 5: Solve for x
    x = 3,963,028.17/2,354.15
  6. Step 6: Final answer
    x = 1,683.42

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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.