Home / 3,635.81-5,015.89-2,237.75

Finding the Fourth Proportional to 3,635.81, 5,015.89 and 2,237.75

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Solution

The fourth proportional to 3,635.81, 5,015.89 and 2,237.75 is: 3,087.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,635.81 : 5,015.89 = 2,237.75 : x
  2. Step 2: Convert to fraction form
    3,635.81/5,015.89 = 2,237.75/x
  3. Step 3: Cross multiply
    3,635.81x = 5,015.89 × 2,237.75
  4. Step 4: Simplify right side
    3,635.81x = 11,224,307.85
  5. Step 5: Solve for x
    x = 11,224,307.85/3,635.81
  6. Step 6: Final answer
    x = 3,087.15

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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.