Home / 2,514.80-3,472.47-1,808.12

Finding the Fourth Proportional to 2,514.80, 3,472.47 and 1,808.12

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Solution

The fourth proportional to 2,514.80, 3,472.47 and 1,808.12 is: 2,496.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,514.80 : 3,472.47 = 1,808.12 : x
  2. Step 2: Convert to fraction form
    2,514.80/3,472.47 = 1,808.12/x
  3. Step 3: Cross multiply
    2,514.80x = 3,472.47 × 1,808.12
  4. Step 4: Simplify right side
    2,514.80x = 6,278,651.14
  5. Step 5: Solve for x
    x = 6,278,651.14/2,514.80
  6. Step 6: Final answer
    x = 2,496.68

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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.