Home / 1,514.43-2,090.00-851.40

Finding the Fourth Proportional to 1,514.43, 2,090.00 and 851.40

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Solution

The fourth proportional to 1,514.43, 2,090.00 and 851.40 is: 1,174.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,514.43 : 2,090.00 = 851.40 : x
  2. Step 2: Convert to fraction form
    1,514.43/2,090.00 = 851.40/x
  3. Step 3: Cross multiply
    1,514.43x = 2,090.00 × 851.40
  4. Step 4: Simplify right side
    1,514.43x = 1,779,428.13
  5. Step 5: Solve for x
    x = 1,779,428.13/1,514.43
  6. Step 6: Final answer
    x = 1,174.98

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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.