Home / 3,684.60-5,516.64-2,382.12

Finding the Fourth Proportional to 3,684.60, 5,516.64 and 2,382.12

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Solution

The fourth proportional to 3,684.60, 5,516.64 and 2,382.12 is: 3,566.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,684.60 : 5,516.64 = 2,382.12 : x
  2. Step 2: Convert to fraction form
    3,684.60/5,516.64 = 2,382.12/x
  3. Step 3: Cross multiply
    3,684.60x = 5,516.64 × 2,382.12
  4. Step 4: Simplify right side
    3,684.60x = 13,141,298.48
  5. Step 5: Solve for x
    x = 13,141,298.48/3,684.60
  6. Step 6: Final answer
    x = 3,566.55

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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.