Home / 2,974.91-4,462.40-1,219.47

Finding the Fourth Proportional to 2,974.91, 4,462.40 and 1,219.47

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Solution

The fourth proportional to 2,974.91, 4,462.40 and 1,219.47 is: 1,829.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,974.91 : 4,462.40 = 1,219.47 : x
  2. Step 2: Convert to fraction form
    2,974.91/4,462.40 = 1,219.47/x
  3. Step 3: Cross multiply
    2,974.91x = 4,462.40 × 1,219.47
  4. Step 4: Simplify right side
    2,974.91x = 5,441,751.77
  5. Step 5: Solve for x
    x = 5,441,751.77/2,974.91
  6. Step 6: Final answer
    x = 1,829.21

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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.