Home / 3,569.09-5,355.92-1,926.78

Finding the Fourth Proportional to 3,569.09, 5,355.92 and 1,926.78

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Solution

The fourth proportional to 3,569.09, 5,355.92 and 1,926.78 is: 2,891.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,569.09 : 5,355.92 = 1,926.78 : x
  2. Step 2: Convert to fraction form
    3,569.09/5,355.92 = 1,926.78/x
  3. Step 3: Cross multiply
    3,569.09x = 5,355.92 × 1,926.78
  4. Step 4: Simplify right side
    3,569.09x = 10,319,679.54
  5. Step 5: Solve for x
    x = 10,319,679.54/3,569.09
  6. Step 6: Final answer
    x = 2,891.40

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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.