Home / 3,398.20-4,688.87-2,053.54

Finding the Fourth Proportional to 3,398.20, 4,688.87 and 2,053.54

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Solution

The fourth proportional to 3,398.20, 4,688.87 and 2,053.54 is: 2,833.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,398.20 : 4,688.87 = 2,053.54 : x
  2. Step 2: Convert to fraction form
    3,398.20/4,688.87 = 2,053.54/x
  3. Step 3: Cross multiply
    3,398.20x = 4,688.87 × 2,053.54
  4. Step 4: Simplify right side
    3,398.20x = 9,628,763.96
  5. Step 5: Solve for x
    x = 9,628,763.96/3,398.20
  6. Step 6: Final answer
    x = 2,833.49

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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.