Home / 2,042.20-2,818.22-1,110.70

Finding the Fourth Proportional to 2,042.20, 2,818.22 and 1,110.70

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Solution

The fourth proportional to 2,042.20, 2,818.22 and 1,110.70 is: 1,532.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,042.20 : 2,818.22 = 1,110.70 : x
  2. Step 2: Convert to fraction form
    2,042.20/2,818.22 = 1,110.70/x
  3. Step 3: Cross multiply
    2,042.20x = 2,818.22 × 1,110.70
  4. Step 4: Simplify right side
    2,042.20x = 3,130,177.31
  5. Step 5: Solve for x
    x = 3,130,177.31/2,042.20
  6. Step 6: Final answer
    x = 1,532.75

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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.