Home / 3,440.39-5,159.79-1,589.72

Finding the Fourth Proportional to 3,440.39, 5,159.79 and 1,589.72

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Solution

The fourth proportional to 3,440.39, 5,159.79 and 1,589.72 is: 2,384.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.39 : 5,159.79 = 1,589.72 : x
  2. Step 2: Convert to fraction form
    3,440.39/5,159.79 = 1,589.72/x
  3. Step 3: Cross multiply
    3,440.39x = 5,159.79 × 1,589.72
  4. Step 4: Simplify right side
    3,440.39x = 8,202,595.56
  5. Step 5: Solve for x
    x = 8,202,595.56/3,440.39
  6. Step 6: Final answer
    x = 2,384.21

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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.