Home / 3,807.28-5,252.88-2,480.50

Finding the Fourth Proportional to 3,807.28, 5,252.88 and 2,480.50

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Solution

The fourth proportional to 3,807.28, 5,252.88 and 2,480.50 is: 3,422.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,807.28 : 5,252.88 = 2,480.50 : x
  2. Step 2: Convert to fraction form
    3,807.28/5,252.88 = 2,480.50/x
  3. Step 3: Cross multiply
    3,807.28x = 5,252.88 × 2,480.50
  4. Step 4: Simplify right side
    3,807.28x = 13,029,768.84
  5. Step 5: Solve for x
    x = 13,029,768.84/3,807.28
  6. Step 6: Final answer
    x = 3,422.33

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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.