Home / 3,307.25-4,961.88-1,115.79

Finding the Fourth Proportional to 3,307.25, 4,961.88 and 1,115.79

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Solution

The fourth proportional to 3,307.25, 4,961.88 and 1,115.79 is: 1,674.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,307.25 : 4,961.88 = 1,115.79 : x
  2. Step 2: Convert to fraction form
    3,307.25/4,961.88 = 1,115.79/x
  3. Step 3: Cross multiply
    3,307.25x = 4,961.88 × 1,115.79
  4. Step 4: Simplify right side
    3,307.25x = 5,536,416.09
  5. Step 5: Solve for x
    x = 5,536,416.09/3,307.25
  6. Step 6: Final answer
    x = 1,674.02

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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.