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Finding the Fourth Proportional to 3,015.32, 4,522.52 and 824.22

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Solution

The fourth proportional to 3,015.32, 4,522.52 and 824.22 is: 1,236.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.32 : 4,522.52 = 824.22 : x
  2. Step 2: Convert to fraction form
    3,015.32/4,522.52 = 824.22/x
  3. Step 3: Cross multiply
    3,015.32x = 4,522.52 × 824.22
  4. Step 4: Simplify right side
    3,015.32x = 3,727,547.31
  5. Step 5: Solve for x
    x = 3,727,547.31/3,015.32
  6. Step 6: Final answer
    x = 1,236.20

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