Home / 2,043.80-2,820.43-1,159.73

Finding the Fourth Proportional to 2,043.80, 2,820.43 and 1,159.73

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Solution

The fourth proportional to 2,043.80, 2,820.43 and 1,159.73 is: 1,600.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,043.80 : 2,820.43 = 1,159.73 : x
  2. Step 2: Convert to fraction form
    2,043.80/2,820.43 = 1,159.73/x
  3. Step 3: Cross multiply
    2,043.80x = 2,820.43 × 1,159.73
  4. Step 4: Simplify right side
    2,043.80x = 3,270,937.28
  5. Step 5: Solve for x
    x = 3,270,937.28/2,043.80
  6. Step 6: Final answer
    x = 1,600.42

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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.