Home / 3,639.90-5,010.75-3,266.76

Finding the Fourth Proportional to 3,639.90, 5,010.75 and 3,266.76

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Solution

The fourth proportional to 3,639.90, 5,010.75 and 3,266.76 is: 4,497.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.90 : 5,010.75 = 3,266.76 : x
  2. Step 2: Convert to fraction form
    3,639.90/5,010.75 = 3,266.76/x
  3. Step 3: Cross multiply
    3,639.90x = 5,010.75 × 3,266.76
  4. Step 4: Simplify right side
    3,639.90x = 16,368,917.67
  5. Step 5: Solve for x
    x = 16,368,917.67/3,639.90
  6. Step 6: Final answer
    x = 4,497.08

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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.