Home / 1,820.74-2,731.49-1,041.11

Finding the Fourth Proportional to 1,820.74, 2,731.49 and 1,041.11

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Solution

The fourth proportional to 1,820.74, 2,731.49 and 1,041.11 is: 1,561.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820.74 : 2,731.49 = 1,041.11 : x
  2. Step 2: Convert to fraction form
    1,820.74/2,731.49 = 1,041.11/x
  3. Step 3: Cross multiply
    1,820.74x = 2,731.49 × 1,041.11
  4. Step 4: Simplify right side
    1,820.74x = 2,843,781.55
  5. Step 5: Solve for x
    x = 2,843,781.55/1,820.74
  6. Step 6: Final answer
    x = 1,561.88

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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.