Home / 2,084.20-2,876.26-1,200.18

Finding the Fourth Proportional to 2,084.20, 2,876.26 and 1,200.18

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Solution

The fourth proportional to 2,084.20, 2,876.26 and 1,200.18 is: 1,656.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,084.20 : 2,876.26 = 1,200.18 : x
  2. Step 2: Convert to fraction form
    2,084.20/2,876.26 = 1,200.18/x
  3. Step 3: Cross multiply
    2,084.20x = 2,876.26 × 1,200.18
  4. Step 4: Simplify right side
    2,084.20x = 3,452,029.73
  5. Step 5: Solve for x
    x = 3,452,029.73/2,084.20
  6. Step 6: Final answer
    x = 1,656.29

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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.