Home / 1,344.35-2,016.60-357.18

Finding the Fourth Proportional to 1,344.35, 2,016.60 and 357.18

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Solution

The fourth proportional to 1,344.35, 2,016.60 and 357.18 is: 535.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344.35 : 2,016.60 = 357.18 : x
  2. Step 2: Convert to fraction form
    1,344.35/2,016.60 = 357.18/x
  3. Step 3: Cross multiply
    1,344.35x = 2,016.60 × 357.18
  4. Step 4: Simplify right side
    1,344.35x = 720,289.19
  5. Step 5: Solve for x
    x = 720,289.19/1,344.35
  6. Step 6: Final answer
    x = 535.79

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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.