Home / 3,676.28-5,074.10-2,878.04

Finding the Fourth Proportional to 3,676.28, 5,074.10 and 2,878.04

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Solution

The fourth proportional to 3,676.28, 5,074.10 and 2,878.04 is: 3,972.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,676.28 : 5,074.10 = 2,878.04 : x
  2. Step 2: Convert to fraction form
    3,676.28/5,074.10 = 2,878.04/x
  3. Step 3: Cross multiply
    3,676.28x = 5,074.10 × 2,878.04
  4. Step 4: Simplify right side
    3,676.28x = 14,603,462.76
  5. Step 5: Solve for x
    x = 14,603,462.76/3,676.28
  6. Step 6: Final answer
    x = 3,972.35

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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.