Home / 3,015.60-4,523.55-824.05

Finding the Fourth Proportional to 3,015.60, 4,523.55 and 824.05

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Solution

The fourth proportional to 3,015.60, 4,523.55 and 824.05 is: 1,236.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.60 : 4,523.55 = 824.05 : x
  2. Step 2: Convert to fraction form
    3,015.60/4,523.55 = 824.05/x
  3. Step 3: Cross multiply
    3,015.60x = 4,523.55 × 824.05
  4. Step 4: Simplify right side
    3,015.60x = 3,727,631.38
  5. Step 5: Solve for x
    x = 3,727,631.38/3,015.60
  6. Step 6: Final answer
    x = 1,236.12

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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.