Home / 2,079.30-2,869.40-1,195.08

Finding the Fourth Proportional to 2,079.30, 2,869.40 and 1,195.08

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Solution

The fourth proportional to 2,079.30, 2,869.40 and 1,195.08 is: 1,649.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079.30 : 2,869.40 = 1,195.08 : x
  2. Step 2: Convert to fraction form
    2,079.30/2,869.40 = 1,195.08/x
  3. Step 3: Cross multiply
    2,079.30x = 2,869.40 × 1,195.08
  4. Step 4: Simplify right side
    2,079.30x = 3,429,162.55
  5. Step 5: Solve for x
    x = 3,429,162.55/2,079.30
  6. Step 6: Final answer
    x = 1,649.19

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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.