Home / 3,817.05-5,276.71-3,423.39

Finding the Fourth Proportional to 3,817.05, 5,276.71 and 3,423.39

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Solution

The fourth proportional to 3,817.05, 5,276.71 and 3,423.39 is: 4,732.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,817.05 : 5,276.71 = 3,423.39 : x
  2. Step 2: Convert to fraction form
    3,817.05/5,276.71 = 3,423.39/x
  3. Step 3: Cross multiply
    3,817.05x = 5,276.71 × 3,423.39
  4. Step 4: Simplify right side
    3,817.05x = 18,064,236.25
  5. Step 5: Solve for x
    x = 18,064,236.25/3,817.05
  6. Step 6: Final answer
    x = 4,732.51

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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.