Home / 3,231.31-4,847.50-1,283.53

Finding the Fourth Proportional to 3,231.31, 4,847.50 and 1,283.53

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Solution

The fourth proportional to 3,231.31, 4,847.50 and 1,283.53 is: 1,925.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.31 : 4,847.50 = 1,283.53 : x
  2. Step 2: Convert to fraction form
    3,231.31/4,847.50 = 1,283.53/x
  3. Step 3: Cross multiply
    3,231.31x = 4,847.50 × 1,283.53
  4. Step 4: Simplify right side
    3,231.31x = 6,221,884.23
  5. Step 5: Solve for x
    x = 6,221,884.23/3,231.31
  6. Step 6: Final answer
    x = 1,925.50

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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.