Home / 3,893.76-5,374.40-2,322.24

Finding the Fourth Proportional to 3,893.76, 5,374.40 and 2,322.24

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Solution

The fourth proportional to 3,893.76, 5,374.40 and 2,322.24 is: 3,205.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,893.76 : 5,374.40 = 2,322.24 : x
  2. Step 2: Convert to fraction form
    3,893.76/5,374.40 = 2,322.24/x
  3. Step 3: Cross multiply
    3,893.76x = 5,374.40 × 2,322.24
  4. Step 4: Simplify right side
    3,893.76x = 12,480,646.66
  5. Step 5: Solve for x
    x = 12,480,646.66/3,893.76
  6. Step 6: Final answer
    x = 3,205.29

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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.