Home / 1,514.22-2,271.33-418.59

Finding the Fourth Proportional to 1,514.22, 2,271.33 and 418.59

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Solution

The fourth proportional to 1,514.22, 2,271.33 and 418.59 is: 627.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,514.22 : 2,271.33 = 418.59 : x
  2. Step 2: Convert to fraction form
    1,514.22/2,271.33 = 418.59/x
  3. Step 3: Cross multiply
    1,514.22x = 2,271.33 × 418.59
  4. Step 4: Simplify right side
    1,514.22x = 950,756.02
  5. Step 5: Solve for x
    x = 950,756.02/1,514.22
  6. Step 6: Final answer
    x = 627.89

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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.