Home / 2,881.21-4,322.45-933.39

Finding the Fourth Proportional to 2,881.21, 4,322.45 and 933.39

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Solution

The fourth proportional to 2,881.21, 4,322.45 and 933.39 is: 1,400.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,881.21 : 4,322.45 = 933.39 : x
  2. Step 2: Convert to fraction form
    2,881.21/4,322.45 = 933.39/x
  3. Step 3: Cross multiply
    2,881.21x = 4,322.45 × 933.39
  4. Step 4: Simplify right side
    2,881.21x = 4,034,505.33
  5. Step 5: Solve for x
    x = 4,034,505.33/2,881.21
  6. Step 6: Final answer
    x = 1,400.28

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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.