Home / 3,514.31-5,267.67-1,869.20

Finding the Fourth Proportional to 3,514.31, 5,267.67 and 1,869.20

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Solution

The fourth proportional to 3,514.31, 5,267.67 and 1,869.20 is: 2,801.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,514.31 : 5,267.67 = 1,869.20 : x
  2. Step 2: Convert to fraction form
    3,514.31/5,267.67 = 1,869.20/x
  3. Step 3: Cross multiply
    3,514.31x = 5,267.67 × 1,869.20
  4. Step 4: Simplify right side
    3,514.31x = 9,846,302.43
  5. Step 5: Solve for x
    x = 9,846,302.43/3,514.31
  6. Step 6: Final answer
    x = 2,801.78

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1.5x scale

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.