Home / 3,298.32-4,947.81-1,218.87

Finding the Fourth Proportional to 3,298.32, 4,947.81 and 1,218.87

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Solution

The fourth proportional to 3,298.32, 4,947.81 and 1,218.87 is: 1,828.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,298.32 : 4,947.81 = 1,218.87 : x
  2. Step 2: Convert to fraction form
    3,298.32/4,947.81 = 1,218.87/x
  3. Step 3: Cross multiply
    3,298.32x = 4,947.81 × 1,218.87
  4. Step 4: Simplify right side
    3,298.32x = 6,030,737.17
  5. Step 5: Solve for x
    x = 6,030,737.17/3,298.32
  6. Step 6: Final answer
    x = 1,828.43

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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.