Home / 2,135.17-2,944.72-1,692.30

Finding the Fourth Proportional to 2,135.17, 2,944.72 and 1,692.30

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Solution

The fourth proportional to 2,135.17, 2,944.72 and 1,692.30 is: 2,333.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135.17 : 2,944.72 = 1,692.30 : x
  2. Step 2: Convert to fraction form
    2,135.17/2,944.72 = 1,692.30/x
  3. Step 3: Cross multiply
    2,135.17x = 2,944.72 × 1,692.30
  4. Step 4: Simplify right side
    2,135.17x = 4,983,349.66
  5. Step 5: Solve for x
    x = 4,983,349.66/2,135.17
  6. Step 6: Final answer
    x = 2,333.94

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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.