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Finding the Fourth Proportional to 3,369.67, 4,649.97 and 1,877.72

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Solution

The fourth proportional to 3,369.67, 4,649.97 and 1,877.72 is: 2,591.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,369.67 : 4,649.97 = 1,877.72 : x
  2. Step 2: Convert to fraction form
    3,369.67/4,649.97 = 1,877.72/x
  3. Step 3: Cross multiply
    3,369.67x = 4,649.97 × 1,877.72
  4. Step 4: Simplify right side
    3,369.67x = 8,731,325.46
  5. Step 5: Solve for x
    x = 8,731,325.46/3,369.67
  6. Step 6: Final answer
    x = 2,591.15

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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.