Home / 3,440.43-5,159.07-1,880.97

Finding the Fourth Proportional to 3,440.43, 5,159.07 and 1,880.97

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Solution

The fourth proportional to 3,440.43, 5,159.07 and 1,880.97 is: 2,820.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.43 : 5,159.07 = 1,880.97 : x
  2. Step 2: Convert to fraction form
    3,440.43/5,159.07 = 1,880.97/x
  3. Step 3: Cross multiply
    3,440.43x = 5,159.07 × 1,880.97
  4. Step 4: Simplify right side
    3,440.43x = 9,704,055.90
  5. Step 5: Solve for x
    x = 9,704,055.90/3,440.43
  6. Step 6: Final answer
    x = 2,820.59

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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.