Home / 1,896.87-2,617.85-1,151.02

Finding the Fourth Proportional to 1,896.87, 2,617.85 and 1,151.02

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Solution

The fourth proportional to 1,896.87, 2,617.85 and 1,151.02 is: 1,588.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,896.87 : 2,617.85 = 1,151.02 : x
  2. Step 2: Convert to fraction form
    1,896.87/2,617.85 = 1,151.02/x
  3. Step 3: Cross multiply
    1,896.87x = 2,617.85 × 1,151.02
  4. Step 4: Simplify right side
    1,896.87x = 3,013,194.04
  5. Step 5: Solve for x
    x = 3,013,194.04/1,896.87
  6. Step 6: Final answer
    x = 1,588.51

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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.