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Finding the Fourth Proportional to 2,207.60, 3,306.60 and 1,823.60

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Solution

The fourth proportional to 2,207.60, 3,306.60 and 1,823.60 is: 2,731.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,207.60 : 3,306.60 = 1,823.60 : x
  2. Step 2: Convert to fraction form
    2,207.60/3,306.60 = 1,823.60/x
  3. Step 3: Cross multiply
    2,207.60x = 3,306.60 × 1,823.60
  4. Step 4: Simplify right side
    2,207.60x = 6,029,915.76
  5. Step 5: Solve for x
    x = 6,029,915.76/2,207.60
  6. Step 6: Final answer
    x = 2,731.43

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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.