Home / 3,438.29-5,159.52-1,959.62

Finding the Fourth Proportional to 3,438.29, 5,159.52 and 1,959.62

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Solution

The fourth proportional to 3,438.29, 5,159.52 and 1,959.62 is: 2,940.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438.29 : 5,159.52 = 1,959.62 : x
  2. Step 2: Convert to fraction form
    3,438.29/5,159.52 = 1,959.62/x
  3. Step 3: Cross multiply
    3,438.29x = 5,159.52 × 1,959.62
  4. Step 4: Simplify right side
    3,438.29x = 10,110,698.58
  5. Step 5: Solve for x
    x = 10,110,698.58/3,438.29
  6. Step 6: Final answer
    x = 2,940.62

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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.