Home / 2,042.18-2,817.77-1,202.31

Finding the Fourth Proportional to 2,042.18, 2,817.77 and 1,202.31

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Solution

The fourth proportional to 2,042.18, 2,817.77 and 1,202.31 is: 1,658.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,042.18 : 2,817.77 = 1,202.31 : x
  2. Step 2: Convert to fraction form
    2,042.18/2,817.77 = 1,202.31/x
  3. Step 3: Cross multiply
    2,042.18x = 2,817.77 × 1,202.31
  4. Step 4: Simplify right side
    2,042.18x = 3,387,833.05
  5. Step 5: Solve for x
    x = 3,387,833.05/2,042.18
  6. Step 6: Final answer
    x = 1,658.93

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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.