Home / 2,922.60-4,384.92-1,825.68

Finding the Fourth Proportional to 2,922.60, 4,384.92 and 1,825.68

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Solution

The fourth proportional to 2,922.60, 4,384.92 and 1,825.68 is: 2,739.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922.60 : 4,384.92 = 1,825.68 : x
  2. Step 2: Convert to fraction form
    2,922.60/4,384.92 = 1,825.68/x
  3. Step 3: Cross multiply
    2,922.60x = 4,384.92 × 1,825.68
  4. Step 4: Simplify right side
    2,922.60x = 8,005,449.78
  5. Step 5: Solve for x
    x = 8,005,449.78/2,922.60
  6. Step 6: Final answer
    x = 2,739.16

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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.