Home / 3,639-5,483.28-3,241.17

Finding the Fourth Proportional to 3,639, 5,483.28 and 3,241.17

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Solution

The fourth proportional to 3,639, 5,483.28 and 3,241.17 is: 4,883.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639 : 5,483.28 = 3,241.17 : x
  2. Step 2: Convert to fraction form
    3,639/5,483.28 = 3,241.17/x
  3. Step 3: Cross multiply
    3,639x = 5,483.28 × 3,241.17
  4. Step 4: Simplify right side
    3,639x = 17,772,242.64
  5. Step 5: Solve for x
    x = 17,772,242.64/3,639
  6. Step 6: Final answer
    x = 4,883.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.