Home / 3,913.60-5,837.42-3,641.44

Finding the Fourth Proportional to 3,913.60, 5,837.42 and 3,641.44

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Solution

The fourth proportional to 3,913.60, 5,837.42 and 3,641.44 is: 5,431.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913.60 : 5,837.42 = 3,641.44 : x
  2. Step 2: Convert to fraction form
    3,913.60/5,837.42 = 3,641.44/x
  3. Step 3: Cross multiply
    3,913.60x = 5,837.42 × 3,641.44
  4. Step 4: Simplify right side
    3,913.60x = 21,256,614.68
  5. Step 5: Solve for x
    x = 21,256,614.68/3,913.60
  6. Step 6: Final answer
    x = 5,431.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.