Home / 1,859.38-2,565.12-1,195.98

Finding the Fourth Proportional to 1,859.38, 2,565.12 and 1,195.98

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Solution

The fourth proportional to 1,859.38, 2,565.12 and 1,195.98 is: 1,649.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859.38 : 2,565.12 = 1,195.98 : x
  2. Step 2: Convert to fraction form
    1,859.38/2,565.12 = 1,195.98/x
  3. Step 3: Cross multiply
    1,859.38x = 2,565.12 × 1,195.98
  4. Step 4: Simplify right side
    1,859.38x = 3,067,832.22
  5. Step 5: Solve for x
    x = 3,067,832.22/1,859.38
  6. Step 6: Final answer
    x = 1,649.92

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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.