Home / 3,840.54-5,763.44-2,380.51

Finding the Fourth Proportional to 3,840.54, 5,763.44 and 2,380.51

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Solution

The fourth proportional to 3,840.54, 5,763.44 and 2,380.51 is: 3,572.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840.54 : 5,763.44 = 2,380.51 : x
  2. Step 2: Convert to fraction form
    3,840.54/5,763.44 = 2,380.51/x
  3. Step 3: Cross multiply
    3,840.54x = 5,763.44 × 2,380.51
  4. Step 4: Simplify right side
    3,840.54x = 13,719,926.55
  5. Step 5: Solve for x
    x = 13,719,926.55/3,840.54
  6. Step 6: Final answer
    x = 3,572.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.