Home / 3,760.50-5,637-1,811.64

Finding the Fourth Proportional to 3,760.50, 5,637 and 1,811.64

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Solution

The fourth proportional to 3,760.50, 5,637 and 1,811.64 is: 2,715.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,760.50 : 5,637 = 1,811.64 : x
  2. Step 2: Convert to fraction form
    3,760.50/5,637 = 1,811.64/x
  3. Step 3: Cross multiply
    3,760.50x = 5,637 × 1,811.64
  4. Step 4: Simplify right side
    3,760.50x = 10,212,214.68
  5. Step 5: Solve for x
    x = 10,212,214.68/3,760.50
  6. Step 6: Final answer
    x = 2,715.65

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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.