Home / 3,487.29-4,812.15-1,994.96

Finding the Fourth Proportional to 3,487.29, 4,812.15 and 1,994.96

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Solution

The fourth proportional to 3,487.29, 4,812.15 and 1,994.96 is: 2,752.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487.29 : 4,812.15 = 1,994.96 : x
  2. Step 2: Convert to fraction form
    3,487.29/4,812.15 = 1,994.96/x
  3. Step 3: Cross multiply
    3,487.29x = 4,812.15 × 1,994.96
  4. Step 4: Simplify right side
    3,487.29x = 9,600,046.76
  5. Step 5: Solve for x
    x = 9,600,046.76/3,487.29
  6. Step 6: Final answer
    x = 2,752.87

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1.5x scale

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.