Home / 2,977.70-4,465.24-1,418.14

Finding the Fourth Proportional to 2,977.70, 4,465.24 and 1,418.14

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Solution

The fourth proportional to 2,977.70, 4,465.24 and 1,418.14 is: 2,126.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977.70 : 4,465.24 = 1,418.14 : x
  2. Step 2: Convert to fraction form
    2,977.70/4,465.24 = 1,418.14/x
  3. Step 3: Cross multiply
    2,977.70x = 4,465.24 × 1,418.14
  4. Step 4: Simplify right side
    2,977.70x = 6,332,335.45
  5. Step 5: Solve for x
    x = 6,332,335.45/2,977.70
  6. Step 6: Final answer
    x = 2,126.59

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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.