Home / 2,042.31-2,818.40-1,110.81

Finding the Fourth Proportional to 2,042.31, 2,818.40 and 1,110.81

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Solution

The fourth proportional to 2,042.31, 2,818.40 and 1,110.81 is: 1,532.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,042.31 : 2,818.40 = 1,110.81 : x
  2. Step 2: Convert to fraction form
    2,042.31/2,818.40 = 1,110.81/x
  3. Step 3: Cross multiply
    2,042.31x = 2,818.40 × 1,110.81
  4. Step 4: Simplify right side
    2,042.31x = 3,130,706.90
  5. Step 5: Solve for x
    x = 3,130,706.90/2,042.31
  6. Step 6: Final answer
    x = 1,532.92

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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.