Home / 3,440.40-5,160.60-1,132.08

Finding the Fourth Proportional to 3,440.40, 5,160.60 and 1,132.08

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Solution

The fourth proportional to 3,440.40, 5,160.60 and 1,132.08 is: 1,698.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.40 : 5,160.60 = 1,132.08 : x
  2. Step 2: Convert to fraction form
    3,440.40/5,160.60 = 1,132.08/x
  3. Step 3: Cross multiply
    3,440.40x = 5,160.60 × 1,132.08
  4. Step 4: Simplify right side
    3,440.40x = 5,842,212.05
  5. Step 5: Solve for x
    x = 5,842,212.05/3,440.40
  6. Step 6: Final answer
    x = 1,698.12

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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.