Home / 3,837.52-5,296.64-2,440

Finding the Fourth Proportional to 3,837.52, 5,296.64 and 2,440

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Solution

The fourth proportional to 3,837.52, 5,296.64 and 2,440 is: 3,367.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,837.52 : 5,296.64 = 2,440 : x
  2. Step 2: Convert to fraction form
    3,837.52/5,296.64 = 2,440/x
  3. Step 3: Cross multiply
    3,837.52x = 5,296.64 × 2,440
  4. Step 4: Simplify right side
    3,837.52x = 12,923,801.60
  5. Step 5: Solve for x
    x = 12,923,801.60/3,837.52
  6. Step 6: Final answer
    x = 3,367.75

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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.