Home / 3,311.21-4,563.99-3,223.57

Finding the Fourth Proportional to 3,311.21, 4,563.99 and 3,223.57

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Solution

The fourth proportional to 3,311.21, 4,563.99 and 3,223.57 is: 4,443.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311.21 : 4,563.99 = 3,223.57 : x
  2. Step 2: Convert to fraction form
    3,311.21/4,563.99 = 3,223.57/x
  3. Step 3: Cross multiply
    3,311.21x = 4,563.99 × 3,223.57
  4. Step 4: Simplify right side
    3,311.21x = 14,712,325.13
  5. Step 5: Solve for x
    x = 14,712,325.13/3,311.21
  6. Step 6: Final answer
    x = 4,443.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.