Home / 2,474.20-3,411.66-1,688.68

Finding the Fourth Proportional to 2,474.20, 3,411.66 and 1,688.68

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Solution

The fourth proportional to 2,474.20, 3,411.66 and 1,688.68 is: 2,328.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,474.20 : 3,411.66 = 1,688.68 : x
  2. Step 2: Convert to fraction form
    2,474.20/3,411.66 = 1,688.68/x
  3. Step 3: Cross multiply
    2,474.20x = 3,411.66 × 1,688.68
  4. Step 4: Simplify right side
    2,474.20x = 5,761,202.01
  5. Step 5: Solve for x
    x = 5,761,202.01/2,474.20
  6. Step 6: Final answer
    x = 2,328.51

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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.