Home / 2,079.15-2,869.19-1,195.10

Finding the Fourth Proportional to 2,079.15, 2,869.19 and 1,195.10

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Solution

The fourth proportional to 2,079.15, 2,869.19 and 1,195.10 is: 1,649.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079.15 : 2,869.19 = 1,195.10 : x
  2. Step 2: Convert to fraction form
    2,079.15/2,869.19 = 1,195.10/x
  3. Step 3: Cross multiply
    2,079.15x = 2,869.19 × 1,195.10
  4. Step 4: Simplify right side
    2,079.15x = 3,428,948.65
  5. Step 5: Solve for x
    x = 3,428,948.65/2,079.15
  6. Step 6: Final answer
    x = 1,649.21

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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.