Home / 2,961.60-4,080.06-2,540.58

Finding the Fourth Proportional to 2,961.60, 4,080.06 and 2,540.58

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Solution

The fourth proportional to 2,961.60, 4,080.06 and 2,540.58 is: 3,500.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961.60 : 4,080.06 = 2,540.58 : x
  2. Step 2: Convert to fraction form
    2,961.60/4,080.06 = 2,540.58/x
  3. Step 3: Cross multiply
    2,961.60x = 4,080.06 × 2,540.58
  4. Step 4: Simplify right side
    2,961.60x = 10,365,718.83
  5. Step 5: Solve for x
    x = 10,365,718.83/2,961.60
  6. Step 6: Final answer
    x = 3,500.04

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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.