Home / 2,042.28-2,818.32-1,110.78

Finding the Fourth Proportional to 2,042.28, 2,818.32 and 1,110.78

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Solution

The fourth proportional to 2,042.28, 2,818.32 and 1,110.78 is: 1,532.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,042.28 : 2,818.32 = 1,110.78 : x
  2. Step 2: Convert to fraction form
    2,042.28/2,818.32 = 1,110.78/x
  3. Step 3: Cross multiply
    2,042.28x = 2,818.32 × 1,110.78
  4. Step 4: Simplify right side
    2,042.28x = 3,130,533.49
  5. Step 5: Solve for x
    x = 3,130,533.49/2,042.28
  6. Step 6: Final answer
    x = 1,532.86

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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.