Home / 3,305.67-4,950.91-1,915.57

Finding the Fourth Proportional to 3,305.67, 4,950.91 and 1,915.57

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Solution

The fourth proportional to 3,305.67, 4,950.91 and 1,915.57 is: 2,868.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,305.67 : 4,950.91 = 1,915.57 : x
  2. Step 2: Convert to fraction form
    3,305.67/4,950.91 = 1,915.57/x
  3. Step 3: Cross multiply
    3,305.67x = 4,950.91 × 1,915.57
  4. Step 4: Simplify right side
    3,305.67x = 9,483,797.50
  5. Step 5: Solve for x
    x = 9,483,797.50/3,305.67
  6. Step 6: Final answer
    x = 2,868.95

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1.5x scale

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.