Home / 3,848.13-5,784.23-2,540.28

Finding the Fourth Proportional to 3,848.13, 5,784.23 and 2,540.28

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Solution

The fourth proportional to 3,848.13, 5,784.23 and 2,540.28 is: 3,818.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848.13 : 5,784.23 = 2,540.28 : x
  2. Step 2: Convert to fraction form
    3,848.13/5,784.23 = 2,540.28/x
  3. Step 3: Cross multiply
    3,848.13x = 5,784.23 × 2,540.28
  4. Step 4: Simplify right side
    3,848.13x = 14,693,591.83
  5. Step 5: Solve for x
    x = 14,693,591.83/3,848.13
  6. Step 6: Final answer
    x = 3,818.37

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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.