Home / 3,307.80-4,961.66-1,747.49

Finding the Fourth Proportional to 3,307.80, 4,961.66 and 1,747.49

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Solution

The fourth proportional to 3,307.80, 4,961.66 and 1,747.49 is: 2,621.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,307.80 : 4,961.66 = 1,747.49 : x
  2. Step 2: Convert to fraction form
    3,307.80/4,961.66 = 1,747.49/x
  3. Step 3: Cross multiply
    3,307.80x = 4,961.66 × 1,747.49
  4. Step 4: Simplify right side
    3,307.80x = 8,670,417.69
  5. Step 5: Solve for x
    x = 8,670,417.69/3,307.80
  6. Step 6: Final answer
    x = 2,621.20

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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.