Home / 2,052.73-2,832.76-1,121.23

Finding the Fourth Proportional to 2,052.73, 2,832.76 and 1,121.23

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Solution

The fourth proportional to 2,052.73, 2,832.76 and 1,121.23 is: 1,547.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,052.73 : 2,832.76 = 1,121.23 : x
  2. Step 2: Convert to fraction form
    2,052.73/2,832.76 = 1,121.23/x
  3. Step 3: Cross multiply
    2,052.73x = 2,832.76 × 1,121.23
  4. Step 4: Simplify right side
    2,052.73x = 3,176,175.49
  5. Step 5: Solve for x
    x = 3,176,175.49/2,052.73
  6. Step 6: Final answer
    x = 1,547.29

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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.