Home / 1,228.24-1,842.15-362.35

Finding the Fourth Proportional to 1,228.24, 1,842.15 and 362.35

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Solution

The fourth proportional to 1,228.24, 1,842.15 and 362.35 is: 543.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228.24 : 1,842.15 = 362.35 : x
  2. Step 2: Convert to fraction form
    1,228.24/1,842.15 = 362.35/x
  3. Step 3: Cross multiply
    1,228.24x = 1,842.15 × 362.35
  4. Step 4: Simplify right side
    1,228.24x = 667,493.84
  5. Step 5: Solve for x
    x = 667,493.84/1,228.24
  6. Step 6: Final answer
    x = 543.46

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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.