Home / 3,322.05-4,985.12-1,374.25

Finding the Fourth Proportional to 3,322.05, 4,985.12 and 1,374.25

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Solution

The fourth proportional to 3,322.05, 4,985.12 and 1,374.25 is: 2,062.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,322.05 : 4,985.12 = 1,374.25 : x
  2. Step 2: Convert to fraction form
    3,322.05/4,985.12 = 1,374.25/x
  3. Step 3: Cross multiply
    3,322.05x = 4,985.12 × 1,374.25
  4. Step 4: Simplify right side
    3,322.05x = 6,850,801.16
  5. Step 5: Solve for x
    x = 6,850,801.16/3,322.05
  6. Step 6: Final answer
    x = 2,062.22

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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.