Home / 2,693.78-3,717.51-1,631.75

Finding the Fourth Proportional to 2,693.78, 3,717.51 and 1,631.75

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Solution

The fourth proportional to 2,693.78, 3,717.51 and 1,631.75 is: 2,251.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,693.78 : 3,717.51 = 1,631.75 : x
  2. Step 2: Convert to fraction form
    2,693.78/3,717.51 = 1,631.75/x
  3. Step 3: Cross multiply
    2,693.78x = 3,717.51 × 1,631.75
  4. Step 4: Simplify right side
    2,693.78x = 6,066,020.20
  5. Step 5: Solve for x
    x = 6,066,020.20/2,693.78
  6. Step 6: Final answer
    x = 2,251.86

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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.