Home / 3,568.31-5,355.95-1,928.36

Finding the Fourth Proportional to 3,568.31, 5,355.95 and 1,928.36

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Solution

The fourth proportional to 3,568.31, 5,355.95 and 1,928.36 is: 2,894.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,568.31 : 5,355.95 = 1,928.36 : x
  2. Step 2: Convert to fraction form
    3,568.31/5,355.95 = 1,928.36/x
  3. Step 3: Cross multiply
    3,568.31x = 5,355.95 × 1,928.36
  4. Step 4: Simplify right side
    3,568.31x = 10,328,199.74
  5. Step 5: Solve for x
    x = 10,328,199.74/3,568.31
  6. Step 6: Final answer
    x = 2,894.42

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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.