Home / 3,216.42-4,824.38-1,242.99

Finding the Fourth Proportional to 3,216.42, 4,824.38 and 1,242.99

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Solution

The fourth proportional to 3,216.42, 4,824.38 and 1,242.99 is: 1,864.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216.42 : 4,824.38 = 1,242.99 : x
  2. Step 2: Convert to fraction form
    3,216.42/4,824.38 = 1,242.99/x
  3. Step 3: Cross multiply
    3,216.42x = 4,824.38 × 1,242.99
  4. Step 4: Simplify right side
    3,216.42x = 5,996,659.20
  5. Step 5: Solve for x
    x = 5,996,659.20/3,216.42
  6. Step 6: Final answer
    x = 1,864.39

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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.