Home / 3,400.80-5,097.96-2,520.96

Finding the Fourth Proportional to 3,400.80, 5,097.96 and 2,520.96

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Solution

The fourth proportional to 3,400.80, 5,097.96 and 2,520.96 is: 3,779.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400.80 : 5,097.96 = 2,520.96 : x
  2. Step 2: Convert to fraction form
    3,400.80/5,097.96 = 2,520.96/x
  3. Step 3: Cross multiply
    3,400.80x = 5,097.96 × 2,520.96
  4. Step 4: Simplify right side
    3,400.80x = 12,851,753.24
  5. Step 5: Solve for x
    x = 12,851,753.24/3,400.80
  6. Step 6: Final answer
    x = 3,779.04

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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.