Home / 3,231.60-4,847.85-1,283.34

Finding the Fourth Proportional to 3,231.60, 4,847.85 and 1,283.34

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Solution

The fourth proportional to 3,231.60, 4,847.85 and 1,283.34 is: 1,925.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.60 : 4,847.85 = 1,283.34 : x
  2. Step 2: Convert to fraction form
    3,231.60/4,847.85 = 1,283.34/x
  3. Step 3: Cross multiply
    3,231.60x = 4,847.85 × 1,283.34
  4. Step 4: Simplify right side
    3,231.60x = 6,221,458.00
  5. Step 5: Solve for x
    x = 6,221,458.00/3,231.60
  6. Step 6: Final answer
    x = 1,925.20

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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.