Home / 1,601.13-2,207.18-1,286.28

Finding the Fourth Proportional to 1,601.13, 2,207.18 and 1,286.28

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Solution

The fourth proportional to 1,601.13, 2,207.18 and 1,286.28 is: 1,773.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,601.13 : 2,207.18 = 1,286.28 : x
  2. Step 2: Convert to fraction form
    1,601.13/2,207.18 = 1,286.28/x
  3. Step 3: Cross multiply
    1,601.13x = 2,207.18 × 1,286.28
  4. Step 4: Simplify right side
    1,601.13x = 2,839,045.06
  5. Step 5: Solve for x
    x = 2,839,045.06/1,601.13
  6. Step 6: Final answer
    x = 1,773.15

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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.