Home / 3,847.48-5,776.56-1,974.70

Finding the Fourth Proportional to 3,847.48, 5,776.56 and 1,974.70

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Solution

The fourth proportional to 3,847.48, 5,776.56 and 1,974.70 is: 2,964.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,847.48 : 5,776.56 = 1,974.70 : x
  2. Step 2: Convert to fraction form
    3,847.48/5,776.56 = 1,974.70/x
  3. Step 3: Cross multiply
    3,847.48x = 5,776.56 × 1,974.70
  4. Step 4: Simplify right side
    3,847.48x = 11,406,973.03
  5. Step 5: Solve for x
    x = 11,406,973.03/3,847.48
  6. Step 6: Final answer
    x = 2,964.79

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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.