Home / 3,814.40-5,261.60-2,242.16

Finding the Fourth Proportional to 3,814.40, 5,261.60 and 2,242.16

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Solution

The fourth proportional to 3,814.40, 5,261.60 and 2,242.16 is: 3,092.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,814.40 : 5,261.60 = 2,242.16 : x
  2. Step 2: Convert to fraction form
    3,814.40/5,261.60 = 2,242.16/x
  3. Step 3: Cross multiply
    3,814.40x = 5,261.60 × 2,242.16
  4. Step 4: Simplify right side
    3,814.40x = 11,797,349.06
  5. Step 5: Solve for x
    x = 11,797,349.06/3,814.40
  6. Step 6: Final answer
    x = 3,092.85

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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.