Home / 2,005.04-2,766.96-1,120.87

Finding the Fourth Proportional to 2,005.04, 2,766.96 and 1,120.87

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Solution

The fourth proportional to 2,005.04, 2,766.96 and 1,120.87 is: 1,546.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,005.04 : 2,766.96 = 1,120.87 : x
  2. Step 2: Convert to fraction form
    2,005.04/2,766.96 = 1,120.87/x
  3. Step 3: Cross multiply
    2,005.04x = 2,766.96 × 1,120.87
  4. Step 4: Simplify right side
    2,005.04x = 3,101,402.46
  5. Step 5: Solve for x
    x = 3,101,402.46/2,005.04
  6. Step 6: Final answer
    x = 1,546.80

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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.