Home / 3,231.57-4,847.38-1,283.77

Finding the Fourth Proportional to 3,231.57, 4,847.38 and 1,283.77

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Solution

The fourth proportional to 3,231.57, 4,847.38 and 1,283.77 is: 1,925.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.57 : 4,847.38 = 1,283.77 : x
  2. Step 2: Convert to fraction form
    3,231.57/4,847.38 = 1,283.77/x
  3. Step 3: Cross multiply
    3,231.57x = 4,847.38 × 1,283.77
  4. Step 4: Simplify right side
    3,231.57x = 6,222,921.02
  5. Step 5: Solve for x
    x = 6,222,921.02/3,231.57
  6. Step 6: Final answer
    x = 1,925.66

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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.