Home / 1,514.15-2,089.41-850.87

Finding the Fourth Proportional to 1,514.15, 2,089.41 and 850.87

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Solution

The fourth proportional to 1,514.15, 2,089.41 and 850.87 is: 1,174.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,514.15 : 2,089.41 = 850.87 : x
  2. Step 2: Convert to fraction form
    1,514.15/2,089.41 = 850.87/x
  3. Step 3: Cross multiply
    1,514.15x = 2,089.41 × 850.87
  4. Step 4: Simplify right side
    1,514.15x = 1,777,807.87
  5. Step 5: Solve for x
    x = 1,777,807.87/1,514.15
  6. Step 6: Final answer
    x = 1,174.13

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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.