Home / 1,227.45-1,841.13-349.95

Finding the Fourth Proportional to 1,227.45, 1,841.13 and 349.95

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Solution

The fourth proportional to 1,227.45, 1,841.13 and 349.95 is: 524.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227.45 : 1,841.13 = 349.95 : x
  2. Step 2: Convert to fraction form
    1,227.45/1,841.13 = 349.95/x
  3. Step 3: Cross multiply
    1,227.45x = 1,841.13 × 349.95
  4. Step 4: Simplify right side
    1,227.45x = 644,303.44
  5. Step 5: Solve for x
    x = 644,303.44/1,227.45
  6. Step 6: Final answer
    x = 524.91

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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.