Home / 3,488.95-5,234.20-1,148.86

Finding the Fourth Proportional to 3,488.95, 5,234.20 and 1,148.86

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Solution

The fourth proportional to 3,488.95, 5,234.20 and 1,148.86 is: 1,723.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,488.95 : 5,234.20 = 1,148.86 : x
  2. Step 2: Convert to fraction form
    3,488.95/5,234.20 = 1,148.86/x
  3. Step 3: Cross multiply
    3,488.95x = 5,234.20 × 1,148.86
  4. Step 4: Simplify right side
    3,488.95x = 6,013,357.27
  5. Step 5: Solve for x
    x = 6,013,357.27/3,488.95
  6. Step 6: Final answer
    x = 1,723.54

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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.