Home / 2,001.44-2,761.92-1,117.24

Finding the Fourth Proportional to 2,001.44, 2,761.92 and 1,117.24

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Solution

The fourth proportional to 2,001.44, 2,761.92 and 1,117.24 is: 1,541.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,001.44 : 2,761.92 = 1,117.24 : x
  2. Step 2: Convert to fraction form
    2,001.44/2,761.92 = 1,117.24/x
  3. Step 3: Cross multiply
    2,001.44x = 2,761.92 × 1,117.24
  4. Step 4: Simplify right side
    2,001.44x = 3,085,727.50
  5. Step 5: Solve for x
    x = 3,085,727.50/2,001.44
  6. Step 6: Final answer
    x = 1,541.75

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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.