Home / 2,137.19-2,949.01-1,297.92

Finding the Fourth Proportional to 2,137.19, 2,949.01 and 1,297.92

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Solution

The fourth proportional to 2,137.19, 2,949.01 and 1,297.92 is: 1,790.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,137.19 : 2,949.01 = 1,297.92 : x
  2. Step 2: Convert to fraction form
    2,137.19/2,949.01 = 1,297.92/x
  3. Step 3: Cross multiply
    2,137.19x = 2,949.01 × 1,297.92
  4. Step 4: Simplify right side
    2,137.19x = 3,827,586.87
  5. Step 5: Solve for x
    x = 3,827,586.87/2,137.19
  6. Step 6: Final answer
    x = 1,790.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.