Home / 2,600.90-3,589.57-1,481.78

Finding the Fourth Proportional to 2,600.90, 3,589.57 and 1,481.78

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Solution

The fourth proportional to 2,600.90, 3,589.57 and 1,481.78 is: 2,045.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,600.90 : 3,589.57 = 1,481.78 : x
  2. Step 2: Convert to fraction form
    2,600.90/3,589.57 = 1,481.78/x
  3. Step 3: Cross multiply
    2,600.90x = 3,589.57 × 1,481.78
  4. Step 4: Simplify right side
    2,600.90x = 5,318,953.03
  5. Step 5: Solve for x
    x = 5,318,953.03/2,600.90
  6. Step 6: Final answer
    x = 2,045.04

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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.