Home / 3,435.18-5,140.43-2,974.53

Finding the Fourth Proportional to 3,435.18, 5,140.43 and 2,974.53

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Solution

The fourth proportional to 3,435.18, 5,140.43 and 2,974.53 is: 4,451.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.18 : 5,140.43 = 2,974.53 : x
  2. Step 2: Convert to fraction form
    3,435.18/5,140.43 = 2,974.53/x
  3. Step 3: Cross multiply
    3,435.18x = 5,140.43 × 2,974.53
  4. Step 4: Simplify right side
    3,435.18x = 15,290,363.25
  5. Step 5: Solve for x
    x = 15,290,363.25/3,435.18
  6. Step 6: Final answer
    x = 4,451.11

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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.