Home / 2,672.48-4,008.11-1,284.95

Finding the Fourth Proportional to 2,672.48, 4,008.11 and 1,284.95

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Solution

The fourth proportional to 2,672.48, 4,008.11 and 1,284.95 is: 1,927.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672.48 : 4,008.11 = 1,284.95 : x
  2. Step 2: Convert to fraction form
    2,672.48/4,008.11 = 1,284.95/x
  3. Step 3: Cross multiply
    2,672.48x = 4,008.11 × 1,284.95
  4. Step 4: Simplify right side
    2,672.48x = 5,150,194.48
  5. Step 5: Solve for x
    x = 5,150,194.48/2,672.48
  6. Step 6: Final answer
    x = 1,927.13

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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.