Home / 4,219.32-5,822.16-2,540.70

Finding the Fourth Proportional to 4,219.32, 5,822.16 and 2,540.70

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Solution

The fourth proportional to 4,219.32, 5,822.16 and 2,540.70 is: 3,505.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,219.32 : 5,822.16 = 2,540.70 : x
  2. Step 2: Convert to fraction form
    4,219.32/5,822.16 = 2,540.70/x
  3. Step 3: Cross multiply
    4,219.32x = 5,822.16 × 2,540.70
  4. Step 4: Simplify right side
    4,219.32x = 14,792,361.91
  5. Step 5: Solve for x
    x = 14,792,361.91/4,219.32
  6. Step 6: Final answer
    x = 3,505.86

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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.