Home / 3,840.62-5,301.69-2,582.40

Finding the Fourth Proportional to 3,840.62, 5,301.69 and 2,582.40

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Solution

The fourth proportional to 3,840.62, 5,301.69 and 2,582.40 is: 3,564.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840.62 : 5,301.69 = 2,582.40 : x
  2. Step 2: Convert to fraction form
    3,840.62/5,301.69 = 2,582.40/x
  3. Step 3: Cross multiply
    3,840.62x = 5,301.69 × 2,582.40
  4. Step 4: Simplify right side
    3,840.62x = 13,691,108.98
  5. Step 5: Solve for x
    x = 13,691,108.98/3,840.62
  6. Step 6: Final answer
    x = 3,564.82

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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.