Home / 3,522.62-5,280.64-1,212.50

Finding the Fourth Proportional to 3,522.62, 5,280.64 and 1,212.50

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Solution

The fourth proportional to 3,522.62, 5,280.64 and 1,212.50 is: 1,817.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,522.62 : 5,280.64 = 1,212.50 : x
  2. Step 2: Convert to fraction form
    3,522.62/5,280.64 = 1,212.50/x
  3. Step 3: Cross multiply
    3,522.62x = 5,280.64 × 1,212.50
  4. Step 4: Simplify right side
    3,522.62x = 6,402,776
  5. Step 5: Solve for x
    x = 6,402,776/3,522.62
  6. Step 6: Final answer
    x = 1,817.62

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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.