Home / 3,074.20-4,610.81-882.43

Finding the Fourth Proportional to 3,074.20, 4,610.81 and 882.43

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Solution

The fourth proportional to 3,074.20, 4,610.81 and 882.43 is: 1,323.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074.20 : 4,610.81 = 882.43 : x
  2. Step 2: Convert to fraction form
    3,074.20/4,610.81 = 882.43/x
  3. Step 3: Cross multiply
    3,074.20x = 4,610.81 × 882.43
  4. Step 4: Simplify right side
    3,074.20x = 4,068,712.66
  5. Step 5: Solve for x
    x = 4,068,712.66/3,074.20
  6. Step 6: Final answer
    x = 1,323.50

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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.