Home / 3,813.30-5,714.28-2,253.65

Finding the Fourth Proportional to 3,813.30, 5,714.28 and 2,253.65

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Solution

The fourth proportional to 3,813.30, 5,714.28 and 2,253.65 is: 3,377.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,813.30 : 5,714.28 = 2,253.65 : x
  2. Step 2: Convert to fraction form
    3,813.30/5,714.28 = 2,253.65/x
  3. Step 3: Cross multiply
    3,813.30x = 5,714.28 × 2,253.65
  4. Step 4: Simplify right side
    3,813.30x = 12,877,958.55
  5. Step 5: Solve for x
    x = 12,877,958.55/3,813.30
  6. Step 6: Final answer
    x = 3,377.12

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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.