Home / 2,079.07-2,869.11-1,195.06

Finding the Fourth Proportional to 2,079.07, 2,869.11 and 1,195.06

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Solution

The fourth proportional to 2,079.07, 2,869.11 and 1,195.06 is: 1,649.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079.07 : 2,869.11 = 1,195.06 : x
  2. Step 2: Convert to fraction form
    2,079.07/2,869.11 = 1,195.06/x
  3. Step 3: Cross multiply
    2,079.07x = 2,869.11 × 1,195.06
  4. Step 4: Simplify right side
    2,079.07x = 3,428,758.60
  5. Step 5: Solve for x
    x = 3,428,758.60/2,079.07
  6. Step 6: Final answer
    x = 1,649.18

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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.