Home / 2,068.85-3,103.25-607.95

Finding the Fourth Proportional to 2,068.85, 3,103.25 and 607.95

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Solution

The fourth proportional to 2,068.85, 3,103.25 and 607.95 is: 911.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,068.85 : 3,103.25 = 607.95 : x
  2. Step 2: Convert to fraction form
    2,068.85/3,103.25 = 607.95/x
  3. Step 3: Cross multiply
    2,068.85x = 3,103.25 × 607.95
  4. Step 4: Simplify right side
    2,068.85x = 1,886,620.84
  5. Step 5: Solve for x
    x = 1,886,620.84/2,068.85
  6. Step 6: Final answer
    x = 911.92

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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.