Home / 3,289.31-4,931.30-2,246.69

Finding the Fourth Proportional to 3,289.31, 4,931.30 and 2,246.69

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Solution

The fourth proportional to 3,289.31, 4,931.30 and 2,246.69 is: 3,368.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.31 : 4,931.30 = 2,246.69 : x
  2. Step 2: Convert to fraction form
    3,289.31/4,931.30 = 2,246.69/x
  3. Step 3: Cross multiply
    3,289.31x = 4,931.30 × 2,246.69
  4. Step 4: Simplify right side
    3,289.31x = 11,079,102.40
  5. Step 5: Solve for x
    x = 11,079,102.40/3,289.31
  6. Step 6: Final answer
    x = 3,368.21

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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.