Home / 3,681.62-5,522.61-1,215.98

Finding the Fourth Proportional to 3,681.62, 5,522.61 and 1,215.98

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Solution

The fourth proportional to 3,681.62, 5,522.61 and 1,215.98 is: 1,824.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681.62 : 5,522.61 = 1,215.98 : x
  2. Step 2: Convert to fraction form
    3,681.62/5,522.61 = 1,215.98/x
  3. Step 3: Cross multiply
    3,681.62x = 5,522.61 × 1,215.98
  4. Step 4: Simplify right side
    3,681.62x = 6,715,383.31
  5. Step 5: Solve for x
    x = 6,715,383.31/3,681.62
  6. Step 6: Final answer
    x = 1,824.03

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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.