Home / 2,514.60-3,771.90-1,648.71

Finding the Fourth Proportional to 2,514.60, 3,771.90 and 1,648.71

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Solution

The fourth proportional to 2,514.60, 3,771.90 and 1,648.71 is: 2,473.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,514.60 : 3,771.90 = 1,648.71 : x
  2. Step 2: Convert to fraction form
    2,514.60/3,771.90 = 1,648.71/x
  3. Step 3: Cross multiply
    2,514.60x = 3,771.90 × 1,648.71
  4. Step 4: Simplify right side
    2,514.60x = 6,218,769.25
  5. Step 5: Solve for x
    x = 6,218,769.25/2,514.60
  6. Step 6: Final answer
    x = 2,473.07

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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.