Home / 3,207.42-4,813.30-1,127.44

Finding the Fourth Proportional to 3,207.42, 4,813.30 and 1,127.44

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Solution

The fourth proportional to 3,207.42, 4,813.30 and 1,127.44 is: 1,691.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.42 : 4,813.30 = 1,127.44 : x
  2. Step 2: Convert to fraction form
    3,207.42/4,813.30 = 1,127.44/x
  3. Step 3: Cross multiply
    3,207.42x = 4,813.30 × 1,127.44
  4. Step 4: Simplify right side
    3,207.42x = 5,426,706.95
  5. Step 5: Solve for x
    x = 5,426,706.95/3,207.42
  6. Step 6: Final answer
    x = 1,691.92

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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.