Home / 3,976.10-5,964.65-1,307.64

Finding the Fourth Proportional to 3,976.10, 5,964.65 and 1,307.64

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Solution

The fourth proportional to 3,976.10, 5,964.65 and 1,307.64 is: 1,961.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976.10 : 5,964.65 = 1,307.64 : x
  2. Step 2: Convert to fraction form
    3,976.10/5,964.65 = 1,307.64/x
  3. Step 3: Cross multiply
    3,976.10x = 5,964.65 × 1,307.64
  4. Step 4: Simplify right side
    3,976.10x = 7,799,643.01
  5. Step 5: Solve for x
    x = 7,799,643.01/3,976.10
  6. Step 6: Final answer
    x = 1,961.63

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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.