Home / 2,217.04-3,324.72-756.40

Finding the Fourth Proportional to 2,217.04, 3,324.72 and 756.40

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Solution

The fourth proportional to 2,217.04, 3,324.72 and 756.40 is: 1,134.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,217.04 : 3,324.72 = 756.40 : x
  2. Step 2: Convert to fraction form
    2,217.04/3,324.72 = 756.40/x
  3. Step 3: Cross multiply
    2,217.04x = 3,324.72 × 756.40
  4. Step 4: Simplify right side
    2,217.04x = 2,514,818.21
  5. Step 5: Solve for x
    x = 2,514,818.21/2,217.04
  6. Step 6: Final answer
    x = 1,134.31

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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.