Home / 1,514.05-2,271.17-540.14

Finding the Fourth Proportional to 1,514.05, 2,271.17 and 540.14

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Solution

The fourth proportional to 1,514.05, 2,271.17 and 540.14 is: 810.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,514.05 : 2,271.17 = 540.14 : x
  2. Step 2: Convert to fraction form
    1,514.05/2,271.17 = 540.14/x
  3. Step 3: Cross multiply
    1,514.05x = 2,271.17 × 540.14
  4. Step 4: Simplify right side
    1,514.05x = 1,226,739.76
  5. Step 5: Solve for x
    x = 1,226,739.76/1,514.05
  6. Step 6: Final answer
    x = 810.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.