Home / 2,319.20-3,202-1,436.24

Finding the Fourth Proportional to 2,319.20, 3,202 and 1,436.24

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Solution

The fourth proportional to 2,319.20, 3,202 and 1,436.24 is: 1,982.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319.20 : 3,202 = 1,436.24 : x
  2. Step 2: Convert to fraction form
    2,319.20/3,202 = 1,436.24/x
  3. Step 3: Cross multiply
    2,319.20x = 3,202 × 1,436.24
  4. Step 4: Simplify right side
    2,319.20x = 4,598,840.48
  5. Step 5: Solve for x
    x = 4,598,840.48/2,319.20
  6. Step 6: Final answer
    x = 1,982.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.