Home / 2,625.48-3,938.21-2,511.59

Finding the Fourth Proportional to 2,625.48, 3,938.21 and 2,511.59

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Solution

The fourth proportional to 2,625.48, 3,938.21 and 2,511.59 is: 3,767.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625.48 : 3,938.21 = 2,511.59 : x
  2. Step 2: Convert to fraction form
    2,625.48/3,938.21 = 2,511.59/x
  3. Step 3: Cross multiply
    2,625.48x = 3,938.21 × 2,511.59
  4. Step 4: Simplify right side
    2,625.48x = 9,891,168.85
  5. Step 5: Solve for x
    x = 9,891,168.85/2,625.48
  6. Step 6: Final answer
    x = 3,767.38

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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.