Home / 3,812.25-5,260.55-2,376.47

Finding the Fourth Proportional to 3,812.25, 5,260.55 and 2,376.47

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Solution

The fourth proportional to 3,812.25, 5,260.55 and 2,376.47 is: 3,279.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,812.25 : 5,260.55 = 2,376.47 : x
  2. Step 2: Convert to fraction form
    3,812.25/5,260.55 = 2,376.47/x
  3. Step 3: Cross multiply
    3,812.25x = 5,260.55 × 2,376.47
  4. Step 4: Simplify right side
    3,812.25x = 12,501,540.53
  5. Step 5: Solve for x
    x = 12,501,540.53/3,812.25
  6. Step 6: Final answer
    x = 3,279.30

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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.