Home / 3,688.53-5,092.03-2,431.41

Finding the Fourth Proportional to 3,688.53, 5,092.03 and 2,431.41

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Solution

The fourth proportional to 3,688.53, 5,092.03 and 2,431.41 is: 3,356.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.53 : 5,092.03 = 2,431.41 : x
  2. Step 2: Convert to fraction form
    3,688.53/5,092.03 = 2,431.41/x
  3. Step 3: Cross multiply
    3,688.53x = 5,092.03 × 2,431.41
  4. Step 4: Simplify right side
    3,688.53x = 12,380,812.66
  5. Step 5: Solve for x
    x = 12,380,812.66/3,688.53
  6. Step 6: Final answer
    x = 3,356.57

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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.