Home / 2,126.87-2,935.05-1,195.37

Finding the Fourth Proportional to 2,126.87, 2,935.05 and 1,195.37

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Solution

The fourth proportional to 2,126.87, 2,935.05 and 1,195.37 is: 1,649.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126.87 : 2,935.05 = 1,195.37 : x
  2. Step 2: Convert to fraction form
    2,126.87/2,935.05 = 1,195.37/x
  3. Step 3: Cross multiply
    2,126.87x = 2,935.05 × 1,195.37
  4. Step 4: Simplify right side
    2,126.87x = 3,508,456.04
  5. Step 5: Solve for x
    x = 3,508,456.04/2,126.87
  6. Step 6: Final answer
    x = 1,649.59

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1.5x scale

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.