Home / 1,514.63-2,090.14-851.46

Finding the Fourth Proportional to 1,514.63, 2,090.14 and 851.46

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Solution

The fourth proportional to 1,514.63, 2,090.14 and 851.46 is: 1,174.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,514.63 : 2,090.14 = 851.46 : x
  2. Step 2: Convert to fraction form
    1,514.63/2,090.14 = 851.46/x
  3. Step 3: Cross multiply
    1,514.63x = 2,090.14 × 851.46
  4. Step 4: Simplify right side
    1,514.63x = 1,779,666.35
  5. Step 5: Solve for x
    x = 1,779,666.35/1,514.63
  6. Step 6: Final answer
    x = 1,174.99

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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.