Home / 3,443.18-5,163.03-1,688.31

Finding the Fourth Proportional to 3,443.18, 5,163.03 and 1,688.31

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Solution

The fourth proportional to 3,443.18, 5,163.03 and 1,688.31 is: 2,531.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,443.18 : 5,163.03 = 1,688.31 : x
  2. Step 2: Convert to fraction form
    3,443.18/5,163.03 = 1,688.31/x
  3. Step 3: Cross multiply
    3,443.18x = 5,163.03 × 1,688.31
  4. Step 4: Simplify right side
    3,443.18x = 8,716,795.18
  5. Step 5: Solve for x
    x = 8,716,795.18/3,443.18
  6. Step 6: Final answer
    x = 2,531.62

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1.5x scale

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.