Home / 3,453.60-5,180.40-3,340.20

Finding the Fourth Proportional to 3,453.60, 5,180.40 and 3,340.20

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Solution

The fourth proportional to 3,453.60, 5,180.40 and 3,340.20 is: 5,010.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.60 : 5,180.40 = 3,340.20 : x
  2. Step 2: Convert to fraction form
    3,453.60/5,180.40 = 3,340.20/x
  3. Step 3: Cross multiply
    3,453.60x = 5,180.40 × 3,340.20
  4. Step 4: Simplify right side
    3,453.60x = 17,303,572.08
  5. Step 5: Solve for x
    x = 17,303,572.08/3,453.60
  6. Step 6: Final answer
    x = 5,010.30

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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.