Home / 3,196.87-4,411.26-1,870.49

Finding the Fourth Proportional to 3,196.87, 4,411.26 and 1,870.49

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Solution

The fourth proportional to 3,196.87, 4,411.26 and 1,870.49 is: 2,581.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,196.87 : 4,411.26 = 1,870.49 : x
  2. Step 2: Convert to fraction form
    3,196.87/4,411.26 = 1,870.49/x
  3. Step 3: Cross multiply
    3,196.87x = 4,411.26 × 1,870.49
  4. Step 4: Simplify right side
    3,196.87x = 8,251,228.75
  5. Step 5: Solve for x
    x = 8,251,228.75/3,196.87
  6. Step 6: Final answer
    x = 2,581.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.