Home / 3,822.12-5,272.90-2,641.14

Finding the Fourth Proportional to 3,822.12, 5,272.90 and 2,641.14

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Solution

The fourth proportional to 3,822.12, 5,272.90 and 2,641.14 is: 3,643.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,822.12 : 5,272.90 = 2,641.14 : x
  2. Step 2: Convert to fraction form
    3,822.12/5,272.90 = 2,641.14/x
  3. Step 3: Cross multiply
    3,822.12x = 5,272.90 × 2,641.14
  4. Step 4: Simplify right side
    3,822.12x = 13,926,460.50
  5. Step 5: Solve for x
    x = 13,926,460.50/3,822.12
  6. Step 6: Final answer
    x = 3,643.65

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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.