Home / 3,643.70-5,465.55-2,182.10

Finding the Fourth Proportional to 3,643.70, 5,465.55 and 2,182.10

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Solution

The fourth proportional to 3,643.70, 5,465.55 and 2,182.10 is: 3,273.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,643.70 : 5,465.55 = 2,182.10 : x
  2. Step 2: Convert to fraction form
    3,643.70/5,465.55 = 2,182.10/x
  3. Step 3: Cross multiply
    3,643.70x = 5,465.55 × 2,182.10
  4. Step 4: Simplify right side
    3,643.70x = 11,926,376.66
  5. Step 5: Solve for x
    x = 11,926,376.66/3,643.70
  6. Step 6: Final answer
    x = 3,273.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.