Home / 2,829.18-4,244.49-881.40

Finding the Fourth Proportional to 2,829.18, 4,244.49 and 881.40

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Solution

The fourth proportional to 2,829.18, 4,244.49 and 881.40 is: 1,322.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,829.18 : 4,244.49 = 881.40 : x
  2. Step 2: Convert to fraction form
    2,829.18/4,244.49 = 881.40/x
  3. Step 3: Cross multiply
    2,829.18x = 4,244.49 × 881.40
  4. Step 4: Simplify right side
    2,829.18x = 3,741,093.49
  5. Step 5: Solve for x
    x = 3,741,093.49/2,829.18
  6. Step 6: Final answer
    x = 1,322.32

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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.