Home / 1,514.86-2,091.09-1,166.56

Finding the Fourth Proportional to 1,514.86, 2,091.09 and 1,166.56

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Solution

The fourth proportional to 1,514.86, 2,091.09 and 1,166.56 is: 1,610.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,514.86 : 2,091.09 = 1,166.56 : x
  2. Step 2: Convert to fraction form
    1,514.86/2,091.09 = 1,166.56/x
  3. Step 3: Cross multiply
    1,514.86x = 2,091.09 × 1,166.56
  4. Step 4: Simplify right side
    1,514.86x = 2,439,381.95
  5. Step 5: Solve for x
    x = 2,439,381.95/1,514.86
  6. Step 6: Final answer
    x = 1,610.30

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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.