Home / 1,692.16-2,335.23-935.96

Finding the Fourth Proportional to 1,692.16, 2,335.23 and 935.96

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Solution

The fourth proportional to 1,692.16, 2,335.23 and 935.96 is: 1,291.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692.16 : 2,335.23 = 935.96 : x
  2. Step 2: Convert to fraction form
    1,692.16/2,335.23 = 935.96/x
  3. Step 3: Cross multiply
    1,692.16x = 2,335.23 × 935.96
  4. Step 4: Simplify right side
    1,692.16x = 2,185,691.21
  5. Step 5: Solve for x
    x = 2,185,691.21/1,692.16
  6. Step 6: Final answer
    x = 1,291.66

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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.