Home / 3,921.54-5,885.34-2,045.58

Finding the Fourth Proportional to 3,921.54, 5,885.34 and 2,045.58

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Solution

The fourth proportional to 3,921.54, 5,885.34 and 2,045.58 is: 3,069.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921.54 : 5,885.34 = 2,045.58 : x
  2. Step 2: Convert to fraction form
    3,921.54/5,885.34 = 2,045.58/x
  3. Step 3: Cross multiply
    3,921.54x = 5,885.34 × 2,045.58
  4. Step 4: Simplify right side
    3,921.54x = 12,038,933.80
  5. Step 5: Solve for x
    x = 12,038,933.80/3,921.54
  6. Step 6: Final answer
    x = 3,069.95

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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.