Home / 2,750.38-3,795.74-1,631.57

Finding the Fourth Proportional to 2,750.38, 3,795.74 and 1,631.57

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Solution

The fourth proportional to 2,750.38, 3,795.74 and 1,631.57 is: 2,251.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750.38 : 3,795.74 = 1,631.57 : x
  2. Step 2: Convert to fraction form
    2,750.38/3,795.74 = 1,631.57/x
  3. Step 3: Cross multiply
    2,750.38x = 3,795.74 × 1,631.57
  4. Step 4: Simplify right side
    2,750.38x = 6,193,015.51
  5. Step 5: Solve for x
    x = 6,193,015.51/2,750.38
  6. Step 6: Final answer
    x = 2,251.69

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1.5x scale

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.