Home / 2,442.88-3,371.52-1,511.68

Finding the Fourth Proportional to 2,442.88, 3,371.52 and 1,511.68

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Solution

The fourth proportional to 2,442.88, 3,371.52 and 1,511.68 is: 2,086.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,442.88 : 3,371.52 = 1,511.68 : x
  2. Step 2: Convert to fraction form
    2,442.88/3,371.52 = 1,511.68/x
  3. Step 3: Cross multiply
    2,442.88x = 3,371.52 × 1,511.68
  4. Step 4: Simplify right side
    2,442.88x = 5,096,659.35
  5. Step 5: Solve for x
    x = 5,096,659.35/2,442.88
  6. Step 6: Final answer
    x = 2,086.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.