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Finding the Fourth Proportional to 2,672.60, 3,677.01 and 2,599.70

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Solution

The fourth proportional to 2,672.60, 3,677.01 and 2,599.70 is: 3,576.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672.60 : 3,677.01 = 2,599.70 : x
  2. Step 2: Convert to fraction form
    2,672.60/3,677.01 = 2,599.70/x
  3. Step 3: Cross multiply
    2,672.60x = 3,677.01 × 2,599.70
  4. Step 4: Simplify right side
    2,672.60x = 9,559,122.90
  5. Step 5: Solve for x
    x = 9,559,122.90/2,672.60
  6. Step 6: Final answer
    x = 3,576.71

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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.