Home / 1,514.96-2,090.70-851.92

Finding the Fourth Proportional to 1,514.96, 2,090.70 and 851.92

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Solution

The fourth proportional to 1,514.96, 2,090.70 and 851.92 is: 1,175.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,514.96 : 2,090.70 = 851.92 : x
  2. Step 2: Convert to fraction form
    1,514.96/2,090.70 = 851.92/x
  3. Step 3: Cross multiply
    1,514.96x = 2,090.70 × 851.92
  4. Step 4: Simplify right side
    1,514.96x = 1,781,109.14
  5. Step 5: Solve for x
    x = 1,781,109.14/1,514.96
  6. Step 6: Final answer
    x = 1,175.68

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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.