Home / 2,748.48-4,121.36-899.52

Finding the Fourth Proportional to 2,748.48, 4,121.36 and 899.52

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Solution

The fourth proportional to 2,748.48, 4,121.36 and 899.52 is: 1,348.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,748.48 : 4,121.36 = 899.52 : x
  2. Step 2: Convert to fraction form
    2,748.48/4,121.36 = 899.52/x
  3. Step 3: Cross multiply
    2,748.48x = 4,121.36 × 899.52
  4. Step 4: Simplify right side
    2,748.48x = 3,707,245.75
  5. Step 5: Solve for x
    x = 3,707,245.75/2,748.48
  6. Step 6: Final answer
    x = 1,348.83

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1.5x scale

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.