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Finding the Fourth Proportional to 3,193.92, 4,787.46 and 1,346.13

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Solution

The fourth proportional to 3,193.92, 4,787.46 and 1,346.13 is: 2,017.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,193.92 : 4,787.46 = 1,346.13 : x
  2. Step 2: Convert to fraction form
    3,193.92/4,787.46 = 1,346.13/x
  3. Step 3: Cross multiply
    3,193.92x = 4,787.46 × 1,346.13
  4. Step 4: Simplify right side
    3,193.92x = 6,444,543.53
  5. Step 5: Solve for x
    x = 6,444,543.53/3,193.92
  6. Step 6: Final answer
    x = 2,017.75

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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.