Home / 3,572.28-4,928.04-2,391.84

Finding the Fourth Proportional to 3,572.28, 4,928.04 and 2,391.84

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Solution

The fourth proportional to 3,572.28, 4,928.04 and 2,391.84 is: 3,299.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,572.28 : 4,928.04 = 2,391.84 : x
  2. Step 2: Convert to fraction form
    3,572.28/4,928.04 = 2,391.84/x
  3. Step 3: Cross multiply
    3,572.28x = 4,928.04 × 2,391.84
  4. Step 4: Simplify right side
    3,572.28x = 11,787,083.19
  5. Step 5: Solve for x
    x = 11,787,083.19/3,572.28
  6. Step 6: Final answer
    x = 3,299.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.