Home / 3,184.80-4,775.63-1,310.35

Finding the Fourth Proportional to 3,184.80, 4,775.63 and 1,310.35

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Solution

The fourth proportional to 3,184.80, 4,775.63 and 1,310.35 is: 1,964.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,184.80 : 4,775.63 = 1,310.35 : x
  2. Step 2: Convert to fraction form
    3,184.80/4,775.63 = 1,310.35/x
  3. Step 3: Cross multiply
    3,184.80x = 4,775.63 × 1,310.35
  4. Step 4: Simplify right side
    3,184.80x = 6,257,738.11
  5. Step 5: Solve for x
    x = 6,257,738.11/3,184.80
  6. Step 6: Final answer
    x = 1,964.88

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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.