Home / 2,680.22-3,697.98-1,631.54

Finding the Fourth Proportional to 2,680.22, 3,697.98 and 1,631.54

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Solution

The fourth proportional to 2,680.22, 3,697.98 and 1,631.54 is: 2,251.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680.22 : 3,697.98 = 1,631.54 : x
  2. Step 2: Convert to fraction form
    2,680.22/3,697.98 = 1,631.54/x
  3. Step 3: Cross multiply
    2,680.22x = 3,697.98 × 1,631.54
  4. Step 4: Simplify right side
    2,680.22x = 6,033,402.29
  5. Step 5: Solve for x
    x = 6,033,402.29/2,680.22
  6. Step 6: Final answer
    x = 2,251.08

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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.