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Finding the Fourth Proportional to 2,446.72, 3,670.08 and 885.85

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Solution

The fourth proportional to 2,446.72, 3,670.08 and 885.85 is: 1,328.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,446.72 : 3,670.08 = 885.85 : x
  2. Step 2: Convert to fraction form
    2,446.72/3,670.08 = 885.85/x
  3. Step 3: Cross multiply
    2,446.72x = 3,670.08 × 885.85
  4. Step 4: Simplify right side
    2,446.72x = 3,251,140.37
  5. Step 5: Solve for x
    x = 3,251,140.37/2,446.72
  6. Step 6: Final answer
    x = 1,328.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.