Home / 2,422.81-3,344.58-1,863.08

Finding the Fourth Proportional to 2,422.81, 3,344.58 and 1,863.08

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Solution

The fourth proportional to 2,422.81, 3,344.58 and 1,863.08 is: 2,571.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,422.81 : 3,344.58 = 1,863.08 : x
  2. Step 2: Convert to fraction form
    2,422.81/3,344.58 = 1,863.08/x
  3. Step 3: Cross multiply
    2,422.81x = 3,344.58 × 1,863.08
  4. Step 4: Simplify right side
    2,422.81x = 6,231,220.11
  5. Step 5: Solve for x
    x = 6,231,220.11/2,422.81
  6. Step 6: Final answer
    x = 2,571.90

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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.