Home / 3,193.40-4,397.82-2,307.80

Finding the Fourth Proportional to 3,193.40, 4,397.82 and 2,307.80

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Solution

The fourth proportional to 3,193.40, 4,397.82 and 2,307.80 is: 3,178.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,193.40 : 4,397.82 = 2,307.80 : x
  2. Step 2: Convert to fraction form
    3,193.40/4,397.82 = 2,307.80/x
  3. Step 3: Cross multiply
    3,193.40x = 4,397.82 × 2,307.80
  4. Step 4: Simplify right side
    3,193.40x = 10,149,289.00
  5. Step 5: Solve for x
    x = 10,149,289.00/3,193.40
  6. Step 6: Final answer
    x = 3,178.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.