Home / 3,298.70-4,943.86-1,655.68

Finding the Fourth Proportional to 3,298.70, 4,943.86 and 1,655.68

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Solution

The fourth proportional to 3,298.70, 4,943.86 and 1,655.68 is: 2,481.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,298.70 : 4,943.86 = 1,655.68 : x
  2. Step 2: Convert to fraction form
    3,298.70/4,943.86 = 1,655.68/x
  3. Step 3: Cross multiply
    3,298.70x = 4,943.86 × 1,655.68
  4. Step 4: Simplify right side
    3,298.70x = 8,185,433.63
  5. Step 5: Solve for x
    x = 8,185,433.63/3,298.70
  6. Step 6: Final answer
    x = 2,481.42

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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.