Home / 3,821.55-5,274.67-2,330.28

Finding the Fourth Proportional to 3,821.55, 5,274.67 and 2,330.28

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Solution

The fourth proportional to 3,821.55, 5,274.67 and 2,330.28 is: 3,216.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.55 : 5,274.67 = 2,330.28 : x
  2. Step 2: Convert to fraction form
    3,821.55/5,274.67 = 2,330.28/x
  3. Step 3: Cross multiply
    3,821.55x = 5,274.67 × 2,330.28
  4. Step 4: Simplify right side
    3,821.55x = 12,291,446.36
  5. Step 5: Solve for x
    x = 12,291,446.36/3,821.55
  6. Step 6: Final answer
    x = 3,216.36

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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.