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Finding the Fourth Proportional to 3,491, 4,818.80 and 2,446.12

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Solution

The fourth proportional to 3,491, 4,818.80 and 2,446.12 is: 3,376.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491 : 4,818.80 = 2,446.12 : x
  2. Step 2: Convert to fraction form
    3,491/4,818.80 = 2,446.12/x
  3. Step 3: Cross multiply
    3,491x = 4,818.80 × 2,446.12
  4. Step 4: Simplify right side
    3,491x = 11,787,363.06
  5. Step 5: Solve for x
    x = 11,787,363.06/3,491
  6. Step 6: Final answer
    x = 3,376.50

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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.