Home / 2,679.06-3,697.51-1,631.73

Finding the Fourth Proportional to 2,679.06, 3,697.51 and 1,631.73

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Solution

The fourth proportional to 2,679.06, 3,697.51 and 1,631.73 is: 2,252.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,679.06 : 3,697.51 = 1,631.73 : x
  2. Step 2: Convert to fraction form
    2,679.06/3,697.51 = 1,631.73/x
  3. Step 3: Cross multiply
    2,679.06x = 3,697.51 × 1,631.73
  4. Step 4: Simplify right side
    2,679.06x = 6,033,337.99
  5. Step 5: Solve for x
    x = 6,033,337.99/2,679.06
  6. Step 6: Final answer
    x = 2,252.04

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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.