Home / 2,974.37-4,461.58-1,218.92

Finding the Fourth Proportional to 2,974.37, 4,461.58 and 1,218.92

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Solution

The fourth proportional to 2,974.37, 4,461.58 and 1,218.92 is: 1,828.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,974.37 : 4,461.58 = 1,218.92 : x
  2. Step 2: Convert to fraction form
    2,974.37/4,461.58 = 1,218.92/x
  3. Step 3: Cross multiply
    2,974.37x = 4,461.58 × 1,218.92
  4. Step 4: Simplify right side
    2,974.37x = 5,438,303.52
  5. Step 5: Solve for x
    x = 5,438,303.52/2,974.37
  6. Step 6: Final answer
    x = 1,828.39

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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.