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Finding the Fourth Proportional to 2,446.40, 3,671.16 and 2,284.40

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Solution

The fourth proportional to 2,446.40, 3,671.16 and 2,284.40 is: 3,428.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,446.40 : 3,671.16 = 2,284.40 : x
  2. Step 2: Convert to fraction form
    2,446.40/3,671.16 = 2,284.40/x
  3. Step 3: Cross multiply
    2,446.40x = 3,671.16 × 2,284.40
  4. Step 4: Simplify right side
    2,446.40x = 8,386,397.90
  5. Step 5: Solve for x
    x = 8,386,397.90/2,446.40
  6. Step 6: Final answer
    x = 3,428.06

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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.