Home / 2,080.76-2,872.06-1,197.18

Finding the Fourth Proportional to 2,080.76, 2,872.06 and 1,197.18

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Solution

The fourth proportional to 2,080.76, 2,872.06 and 1,197.18 is: 1,652.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080.76 : 2,872.06 = 1,197.18 : x
  2. Step 2: Convert to fraction form
    2,080.76/2,872.06 = 1,197.18/x
  3. Step 3: Cross multiply
    2,080.76x = 2,872.06 × 1,197.18
  4. Step 4: Simplify right side
    2,080.76x = 3,438,369.80
  5. Step 5: Solve for x
    x = 3,438,369.80/2,080.76
  6. Step 6: Final answer
    x = 1,652.46

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Double scale
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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.