Home / 2,006.04-2,768.20-1,121.82

Finding the Fourth Proportional to 2,006.04, 2,768.20 and 1,121.82

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Solution

The fourth proportional to 2,006.04, 2,768.20 and 1,121.82 is: 1,548.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,006.04 : 2,768.20 = 1,121.82 : x
  2. Step 2: Convert to fraction form
    2,006.04/2,768.20 = 1,121.82/x
  3. Step 3: Cross multiply
    2,006.04x = 2,768.20 × 1,121.82
  4. Step 4: Simplify right side
    2,006.04x = 3,105,422.12
  5. Step 5: Solve for x
    x = 3,105,422.12/2,006.04
  6. Step 6: Final answer
    x = 1,548.04

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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.