Home / 3,840.03-5,299.91-2,836.95

Finding the Fourth Proportional to 3,840.03, 5,299.91 and 2,836.95

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Solution

The fourth proportional to 3,840.03, 5,299.91 and 2,836.95 is: 3,915.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840.03 : 5,299.91 = 2,836.95 : x
  2. Step 2: Convert to fraction form
    3,840.03/5,299.91 = 2,836.95/x
  3. Step 3: Cross multiply
    3,840.03x = 5,299.91 × 2,836.95
  4. Step 4: Simplify right side
    3,840.03x = 15,035,563.18
  5. Step 5: Solve for x
    x = 15,035,563.18/3,840.03
  6. Step 6: Final answer
    x = 3,915.48

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1.5x scale

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.