Home / 2,422.46-3,349.20-1,864.77

Finding the Fourth Proportional to 2,422.46, 3,349.20 and 1,864.77

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Solution

The fourth proportional to 2,422.46, 3,349.20 and 1,864.77 is: 2,578.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,422.46 : 3,349.20 = 1,864.77 : x
  2. Step 2: Convert to fraction form
    2,422.46/3,349.20 = 1,864.77/x
  3. Step 3: Cross multiply
    2,422.46x = 3,349.20 × 1,864.77
  4. Step 4: Simplify right side
    2,422.46x = 6,245,487.68
  5. Step 5: Solve for x
    x = 6,245,487.68/2,422.46
  6. Step 6: Final answer
    x = 2,578.16

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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.