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Finding the Fourth Proportional to 3,328.24, 4,983.36 and 2,230.24

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Solution

The fourth proportional to 3,328.24, 4,983.36 and 2,230.24 is: 3,339.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328.24 : 4,983.36 = 2,230.24 : x
  2. Step 2: Convert to fraction form
    3,328.24/4,983.36 = 2,230.24/x
  3. Step 3: Cross multiply
    3,328.24x = 4,983.36 × 2,230.24
  4. Step 4: Simplify right side
    3,328.24x = 11,114,088.81
  5. Step 5: Solve for x
    x = 11,114,088.81/3,328.24
  6. Step 6: Final answer
    x = 3,339.33

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1.5x scale

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.