Home / 2,977.46-4,465.14-1,221.96

Finding the Fourth Proportional to 2,977.46, 4,465.14 and 1,221.96

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Solution

The fourth proportional to 2,977.46, 4,465.14 and 1,221.96 is: 1,832.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977.46 : 4,465.14 = 1,221.96 : x
  2. Step 2: Convert to fraction form
    2,977.46/4,465.14 = 1,221.96/x
  3. Step 3: Cross multiply
    2,977.46x = 4,465.14 × 1,221.96
  4. Step 4: Simplify right side
    2,977.46x = 5,456,222.47
  5. Step 5: Solve for x
    x = 5,456,222.47/2,977.46
  6. Step 6: Final answer
    x = 1,832.51

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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.