Home / 3,288.31-4,931.40-1,096.45

Finding the Fourth Proportional to 3,288.31, 4,931.40 and 1,096.45

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Solution

The fourth proportional to 3,288.31, 4,931.40 and 1,096.45 is: 1,644.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,288.31 : 4,931.40 = 1,096.45 : x
  2. Step 2: Convert to fraction form
    3,288.31/4,931.40 = 1,096.45/x
  3. Step 3: Cross multiply
    3,288.31x = 4,931.40 × 1,096.45
  4. Step 4: Simplify right side
    3,288.31x = 5,407,033.53
  5. Step 5: Solve for x
    x = 5,407,033.53/3,288.31
  6. Step 6: Final answer
    x = 1,644.32

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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.