Home / 3,522.78-5,280.48-2,291.04

Finding the Fourth Proportional to 3,522.78, 5,280.48 and 2,291.04

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Solution

The fourth proportional to 3,522.78, 5,280.48 and 2,291.04 is: 3,434.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,522.78 : 5,280.48 = 2,291.04 : x
  2. Step 2: Convert to fraction form
    3,522.78/5,280.48 = 2,291.04/x
  3. Step 3: Cross multiply
    3,522.78x = 5,280.48 × 2,291.04
  4. Step 4: Simplify right side
    3,522.78x = 12,097,790.90
  5. Step 5: Solve for x
    x = 12,097,790.90/3,522.78
  6. Step 6: Final answer
    x = 3,434.16

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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.