Home / 3,681.94-5,522.78-1,216.70

Finding the Fourth Proportional to 3,681.94, 5,522.78 and 1,216.70

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Solution

The fourth proportional to 3,681.94, 5,522.78 and 1,216.70 is: 1,825.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681.94 : 5,522.78 = 1,216.70 : x
  2. Step 2: Convert to fraction form
    3,681.94/5,522.78 = 1,216.70/x
  3. Step 3: Cross multiply
    3,681.94x = 5,522.78 × 1,216.70
  4. Step 4: Simplify right side
    3,681.94x = 6,719,566.43
  5. Step 5: Solve for x
    x = 6,719,566.43/3,681.94
  6. Step 6: Final answer
    x = 1,825.01

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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.