Home / 3,180.65-4,769.17-1,306.01

Finding the Fourth Proportional to 3,180.65, 4,769.17 and 1,306.01

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Solution

The fourth proportional to 3,180.65, 4,769.17 and 1,306.01 is: 1,958.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180.65 : 4,769.17 = 1,306.01 : x
  2. Step 2: Convert to fraction form
    3,180.65/4,769.17 = 1,306.01/x
  3. Step 3: Cross multiply
    3,180.65x = 4,769.17 × 1,306.01
  4. Step 4: Simplify right side
    3,180.65x = 6,228,592.37
  5. Step 5: Solve for x
    x = 6,228,592.37/3,180.65
  6. Step 6: Final answer
    x = 1,958.28

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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.