Home / 3,669.75-5,065.47-2,272.50

Finding the Fourth Proportional to 3,669.75, 5,065.47 and 2,272.50

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Solution

The fourth proportional to 3,669.75, 5,065.47 and 2,272.50 is: 3,136.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669.75 : 5,065.47 = 2,272.50 : x
  2. Step 2: Convert to fraction form
    3,669.75/5,065.47 = 2,272.50/x
  3. Step 3: Cross multiply
    3,669.75x = 5,065.47 × 2,272.50
  4. Step 4: Simplify right side
    3,669.75x = 11,511,280.58
  5. Step 5: Solve for x
    x = 11,511,280.58/3,669.75
  6. Step 6: Final answer
    x = 3,136.80

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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.