Home / 1,936.17-2,669.67-1,404

Finding the Fourth Proportional to 1,936.17, 2,669.67 and 1,404

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Solution

The fourth proportional to 1,936.17, 2,669.67 and 1,404 is: 1,935.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936.17 : 2,669.67 = 1,404 : x
  2. Step 2: Convert to fraction form
    1,936.17/2,669.67 = 1,404/x
  3. Step 3: Cross multiply
    1,936.17x = 2,669.67 × 1,404
  4. Step 4: Simplify right side
    1,936.17x = 3,748,216.68
  5. Step 5: Solve for x
    x = 3,748,216.68/1,936.17
  6. Step 6: Final answer
    x = 1,935.89

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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.