Home / 3,436.52-5,142.45-2,975.88

Finding the Fourth Proportional to 3,436.52, 5,142.45 and 2,975.88

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Solution

The fourth proportional to 3,436.52, 5,142.45 and 2,975.88 is: 4,453.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436.52 : 5,142.45 = 2,975.88 : x
  2. Step 2: Convert to fraction form
    3,436.52/5,142.45 = 2,975.88/x
  3. Step 3: Cross multiply
    3,436.52x = 5,142.45 × 2,975.88
  4. Step 4: Simplify right side
    3,436.52x = 15,303,314.11
  5. Step 5: Solve for x
    x = 15,303,314.11/3,436.52
  6. Step 6: Final answer
    x = 4,453.15

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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.