Home / 2,044.28-2,821.08-1,112.78

Finding the Fourth Proportional to 2,044.28, 2,821.08 and 1,112.78

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Solution

The fourth proportional to 2,044.28, 2,821.08 and 1,112.78 is: 1,535.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,044.28 : 2,821.08 = 1,112.78 : x
  2. Step 2: Convert to fraction form
    2,044.28/2,821.08 = 1,112.78/x
  3. Step 3: Cross multiply
    2,044.28x = 2,821.08 × 1,112.78
  4. Step 4: Simplify right side
    2,044.28x = 3,139,241.40
  5. Step 5: Solve for x
    x = 3,139,241.40/2,044.28
  6. Step 6: Final answer
    x = 1,535.62

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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.