Home / 3,311.32-4,966.98-1,363.68

Finding the Fourth Proportional to 3,311.32, 4,966.98 and 1,363.68

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Solution

The fourth proportional to 3,311.32, 4,966.98 and 1,363.68 is: 2,045.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311.32 : 4,966.98 = 1,363.68 : x
  2. Step 2: Convert to fraction form
    3,311.32/4,966.98 = 1,363.68/x
  3. Step 3: Cross multiply
    3,311.32x = 4,966.98 × 1,363.68
  4. Step 4: Simplify right side
    3,311.32x = 6,773,371.29
  5. Step 5: Solve for x
    x = 6,773,371.29/3,311.32
  6. Step 6: Final answer
    x = 2,045.52

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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.