Home / 1,514.57-2,090.09-851.48

Finding the Fourth Proportional to 1,514.57, 2,090.09 and 851.48

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Solution

The fourth proportional to 1,514.57, 2,090.09 and 851.48 is: 1,175.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,514.57 : 2,090.09 = 851.48 : x
  2. Step 2: Convert to fraction form
    1,514.57/2,090.09 = 851.48/x
  3. Step 3: Cross multiply
    1,514.57x = 2,090.09 × 851.48
  4. Step 4: Simplify right side
    1,514.57x = 1,779,661.51
  5. Step 5: Solve for x
    x = 1,779,661.51/1,514.57
  6. Step 6: Final answer
    x = 1,175.03

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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.