Home / 2,514.72-3,469.20-1,769.16

Finding the Fourth Proportional to 2,514.72, 3,469.20 and 1,769.16

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Solution

The fourth proportional to 2,514.72, 3,469.20 and 1,769.16 is: 2,440.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,514.72 : 3,469.20 = 1,769.16 : x
  2. Step 2: Convert to fraction form
    2,514.72/3,469.20 = 1,769.16/x
  3. Step 3: Cross multiply
    2,514.72x = 3,469.20 × 1,769.16
  4. Step 4: Simplify right side
    2,514.72x = 6,137,569.87
  5. Step 5: Solve for x
    x = 6,137,569.87/2,514.72
  6. Step 6: Final answer
    x = 2,440.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.