Home / 2,042.15-2,818.05-1,202.66

Finding the Fourth Proportional to 2,042.15, 2,818.05 and 1,202.66

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Solution

The fourth proportional to 2,042.15, 2,818.05 and 1,202.66 is: 1,659.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,042.15 : 2,818.05 = 1,202.66 : x
  2. Step 2: Convert to fraction form
    2,042.15/2,818.05 = 1,202.66/x
  3. Step 3: Cross multiply
    2,042.15x = 2,818.05 × 1,202.66
  4. Step 4: Simplify right side
    2,042.15x = 3,389,135.91
  5. Step 5: Solve for x
    x = 3,389,135.91/2,042.15
  6. Step 6: Final answer
    x = 1,659.60

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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.