Home / 4,042.80-6,062.64-1,268.88

Finding the Fourth Proportional to 4,042.80, 6,062.64 and 1,268.88

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Solution

The fourth proportional to 4,042.80, 6,062.64 and 1,268.88 is: 1,902.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,042.80 : 6,062.64 = 1,268.88 : x
  2. Step 2: Convert to fraction form
    4,042.80/6,062.64 = 1,268.88/x
  3. Step 3: Cross multiply
    4,042.80x = 6,062.64 × 1,268.88
  4. Step 4: Simplify right side
    4,042.80x = 7,692,762.64
  5. Step 5: Solve for x
    x = 7,692,762.64/4,042.80
  6. Step 6: Final answer
    x = 1,902.83

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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.