Home / 3,320.56-4,989.34-2,506.50

Finding the Fourth Proportional to 3,320.56, 4,989.34 and 2,506.50

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Solution

The fourth proportional to 3,320.56, 4,989.34 and 2,506.50 is: 3,766.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.56 : 4,989.34 = 2,506.50 : x
  2. Step 2: Convert to fraction form
    3,320.56/4,989.34 = 2,506.50/x
  3. Step 3: Cross multiply
    3,320.56x = 4,989.34 × 2,506.50
  4. Step 4: Simplify right side
    3,320.56x = 12,505,780.71
  5. Step 5: Solve for x
    x = 12,505,780.71/3,320.56
  6. Step 6: Final answer
    x = 3,766.17

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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.