Home / 3,015.21-4,522.46-824.11

Finding the Fourth Proportional to 3,015.21, 4,522.46 and 824.11

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Solution

The fourth proportional to 3,015.21, 4,522.46 and 824.11 is: 1,236.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.21 : 4,522.46 = 824.11 : x
  2. Step 2: Convert to fraction form
    3,015.21/4,522.46 = 824.11/x
  3. Step 3: Cross multiply
    3,015.21x = 4,522.46 × 824.11
  4. Step 4: Simplify right side
    3,015.21x = 3,727,004.51
  5. Step 5: Solve for x
    x = 3,727,004.51/3,015.21
  6. Step 6: Final answer
    x = 1,236.07

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1.5x scale

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.