Home / 4,120.41-5,685.62-2,351.91

Finding the Fourth Proportional to 4,120.41, 5,685.62 and 2,351.91

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Solution

The fourth proportional to 4,120.41, 5,685.62 and 2,351.91 is: 3,245.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.41 : 5,685.62 = 2,351.91 : x
  2. Step 2: Convert to fraction form
    4,120.41/5,685.62 = 2,351.91/x
  3. Step 3: Cross multiply
    4,120.41x = 5,685.62 × 2,351.91
  4. Step 4: Simplify right side
    4,120.41x = 13,372,066.53
  5. Step 5: Solve for x
    x = 13,372,066.53/4,120.41
  6. Step 6: Final answer
    x = 3,245.32

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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.