Home / 3,381.46-4,662.83-2,320.76

Finding the Fourth Proportional to 3,381.46, 4,662.83 and 2,320.76

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Solution

The fourth proportional to 3,381.46, 4,662.83 and 2,320.76 is: 3,200.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.46 : 4,662.83 = 2,320.76 : x
  2. Step 2: Convert to fraction form
    3,381.46/4,662.83 = 2,320.76/x
  3. Step 3: Cross multiply
    3,381.46x = 4,662.83 × 2,320.76
  4. Step 4: Simplify right side
    3,381.46x = 10,821,326.81
  5. Step 5: Solve for x
    x = 10,821,326.81/3,381.46
  6. Step 6: Final answer
    x = 3,200.20

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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.