Home / 3,439.92-5,159.57-1,684.25

Finding the Fourth Proportional to 3,439.92, 5,159.57 and 1,684.25

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Solution

The fourth proportional to 3,439.92, 5,159.57 and 1,684.25 is: 2,526.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.92 : 5,159.57 = 1,684.25 : x
  2. Step 2: Convert to fraction form
    3,439.92/5,159.57 = 1,684.25/x
  3. Step 3: Cross multiply
    3,439.92x = 5,159.57 × 1,684.25
  4. Step 4: Simplify right side
    3,439.92x = 8,689,971.55
  5. Step 5: Solve for x
    x = 8,689,971.55/3,439.92
  6. Step 6: Final answer
    x = 2,526.21

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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.