Home / 2,135.14-2,944.66-1,605.30

Finding the Fourth Proportional to 2,135.14, 2,944.66 and 1,605.30

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Solution

The fourth proportional to 2,135.14, 2,944.66 and 1,605.30 is: 2,213.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135.14 : 2,944.66 = 1,605.30 : x
  2. Step 2: Convert to fraction form
    2,135.14/2,944.66 = 1,605.30/x
  3. Step 3: Cross multiply
    2,135.14x = 2,944.66 × 1,605.30
  4. Step 4: Simplify right side
    2,135.14x = 4,727,062.70
  5. Step 5: Solve for x
    x = 4,727,062.70/2,135.14
  6. Step 6: Final answer
    x = 2,213.94

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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.