Home / 1,514.90-2,271.65-1,236.87

Finding the Fourth Proportional to 1,514.90, 2,271.65 and 1,236.87

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Solution

The fourth proportional to 1,514.90, 2,271.65 and 1,236.87 is: 1,854.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,514.90 : 2,271.65 = 1,236.87 : x
  2. Step 2: Convert to fraction form
    1,514.90/2,271.65 = 1,236.87/x
  3. Step 3: Cross multiply
    1,514.90x = 2,271.65 × 1,236.87
  4. Step 4: Simplify right side
    1,514.90x = 2,809,729.55
  5. Step 5: Solve for x
    x = 2,809,729.55/1,514.90
  6. Step 6: Final answer
    x = 1,854.73

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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.