Home / 2,511.48-3,767.28-1,478.73

Finding the Fourth Proportional to 2,511.48, 3,767.28 and 1,478.73

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Solution

The fourth proportional to 2,511.48, 3,767.28 and 1,478.73 is: 2,218.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,511.48 : 3,767.28 = 1,478.73 : x
  2. Step 2: Convert to fraction form
    2,511.48/3,767.28 = 1,478.73/x
  3. Step 3: Cross multiply
    2,511.48x = 3,767.28 × 1,478.73
  4. Step 4: Simplify right side
    2,511.48x = 5,570,789.95
  5. Step 5: Solve for x
    x = 5,570,789.95/2,511.48
  6. Step 6: Final answer
    x = 2,218.13

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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.