Home / 3,357.12-5,034.12-1,277.52

Finding the Fourth Proportional to 3,357.12, 5,034.12 and 1,277.52

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Solution

The fourth proportional to 3,357.12, 5,034.12 and 1,277.52 is: 1,915.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,357.12 : 5,034.12 = 1,277.52 : x
  2. Step 2: Convert to fraction form
    3,357.12/5,034.12 = 1,277.52/x
  3. Step 3: Cross multiply
    3,357.12x = 5,034.12 × 1,277.52
  4. Step 4: Simplify right side
    3,357.12x = 6,431,188.98
  5. Step 5: Solve for x
    x = 6,431,188.98/3,357.12
  6. Step 6: Final answer
    x = 1,915.69

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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.