Home / 3,153.48-4,723.85-1,591.31

Finding the Fourth Proportional to 3,153.48, 4,723.85 and 1,591.31

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Solution

The fourth proportional to 3,153.48, 4,723.85 and 1,591.31 is: 2,383.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.48 : 4,723.85 = 1,591.31 : x
  2. Step 2: Convert to fraction form
    3,153.48/4,723.85 = 1,591.31/x
  3. Step 3: Cross multiply
    3,153.48x = 4,723.85 × 1,591.31
  4. Step 4: Simplify right side
    3,153.48x = 7,517,078.17
  5. Step 5: Solve for x
    x = 7,517,078.17/3,153.48
  6. Step 6: Final answer
    x = 2,383.74

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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.