Home / 3,821.22-5,274.24-2,330.40

Finding the Fourth Proportional to 3,821.22, 5,274.24 and 2,330.40

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Solution

The fourth proportional to 3,821.22, 5,274.24 and 2,330.40 is: 3,216.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.22 : 5,274.24 = 2,330.40 : x
  2. Step 2: Convert to fraction form
    3,821.22/5,274.24 = 2,330.40/x
  3. Step 3: Cross multiply
    3,821.22x = 5,274.24 × 2,330.40
  4. Step 4: Simplify right side
    3,821.22x = 12,291,088.90
  5. Step 5: Solve for x
    x = 12,291,088.90/3,821.22
  6. Step 6: Final answer
    x = 3,216.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.