Home / 1,675.50-2,514.36-809.88

Finding the Fourth Proportional to 1,675.50, 2,514.36 and 809.88

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Solution

The fourth proportional to 1,675.50, 2,514.36 and 809.88 is: 1,215.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675.50 : 2,514.36 = 809.88 : x
  2. Step 2: Convert to fraction form
    1,675.50/2,514.36 = 809.88/x
  3. Step 3: Cross multiply
    1,675.50x = 2,514.36 × 809.88
  4. Step 4: Simplify right side
    1,675.50x = 2,036,329.88
  5. Step 5: Solve for x
    x = 2,036,329.88/1,675.50
  6. Step 6: Final answer
    x = 1,215.36

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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.