Home / 3,840.70-5,300.48-2,226.17

Finding the Fourth Proportional to 3,840.70, 5,300.48 and 2,226.17

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Solution

The fourth proportional to 3,840.70, 5,300.48 and 2,226.17 is: 3,072.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840.70 : 5,300.48 = 2,226.17 : x
  2. Step 2: Convert to fraction form
    3,840.70/5,300.48 = 2,226.17/x
  3. Step 3: Cross multiply
    3,840.70x = 5,300.48 × 2,226.17
  4. Step 4: Simplify right side
    3,840.70x = 11,799,748.62
  5. Step 5: Solve for x
    x = 11,799,748.62/3,840.70
  6. Step 6: Final answer
    x = 3,072.29

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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.