Home / 2,001.29-2,761.79-1,117.10

Finding the Fourth Proportional to 2,001.29, 2,761.79 and 1,117.10

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Solution

The fourth proportional to 2,001.29, 2,761.79 and 1,117.10 is: 1,541.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,001.29 : 2,761.79 = 1,117.10 : x
  2. Step 2: Convert to fraction form
    2,001.29/2,761.79 = 1,117.10/x
  3. Step 3: Cross multiply
    2,001.29x = 2,761.79 × 1,117.10
  4. Step 4: Simplify right side
    2,001.29x = 3,085,176.21
  5. Step 5: Solve for x
    x = 3,085,176.21/2,001.29
  6. Step 6: Final answer
    x = 1,541.59

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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.