Home / 1,514.86-2,272.74-1,284.31

Finding the Fourth Proportional to 1,514.86, 2,272.74 and 1,284.31

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Solution

The fourth proportional to 1,514.86, 2,272.74 and 1,284.31 is: 1,926.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,514.86 : 2,272.74 = 1,284.31 : x
  2. Step 2: Convert to fraction form
    1,514.86/2,272.74 = 1,284.31/x
  3. Step 3: Cross multiply
    1,514.86x = 2,272.74 × 1,284.31
  4. Step 4: Simplify right side
    1,514.86x = 2,918,902.71
  5. Step 5: Solve for x
    x = 2,918,902.71/1,514.86
  6. Step 6: Final answer
    x = 1,926.85

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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.