Home / 3,858.76-5,325.24-2,531.44

Finding the Fourth Proportional to 3,858.76, 5,325.24 and 2,531.44

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Solution

The fourth proportional to 3,858.76, 5,325.24 and 2,531.44 is: 3,493.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,858.76 : 5,325.24 = 2,531.44 : x
  2. Step 2: Convert to fraction form
    3,858.76/5,325.24 = 2,531.44/x
  3. Step 3: Cross multiply
    3,858.76x = 5,325.24 × 2,531.44
  4. Step 4: Simplify right side
    3,858.76x = 13,480,525.55
  5. Step 5: Solve for x
    x = 13,480,525.55/3,858.76
  6. Step 6: Final answer
    x = 3,493.49

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1.5x scale

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.