Home / 3,824.16-5,725.20-2,650.40

Finding the Fourth Proportional to 3,824.16, 5,725.20 and 2,650.40

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Solution

The fourth proportional to 3,824.16, 5,725.20 and 2,650.40 is: 3,967.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,824.16 : 5,725.20 = 2,650.40 : x
  2. Step 2: Convert to fraction form
    3,824.16/5,725.20 = 2,650.40/x
  3. Step 3: Cross multiply
    3,824.16x = 5,725.20 × 2,650.40
  4. Step 4: Simplify right side
    3,824.16x = 15,174,070.08
  5. Step 5: Solve for x
    x = 15,174,070.08/3,824.16
  6. Step 6: Final answer
    x = 3,967.95

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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.