Home / 3,511.28-4,847.64-2,334.80

Finding the Fourth Proportional to 3,511.28, 4,847.64 and 2,334.80

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Solution

The fourth proportional to 3,511.28, 4,847.64 and 2,334.80 is: 3,223.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.28 : 4,847.64 = 2,334.80 : x
  2. Step 2: Convert to fraction form
    3,511.28/4,847.64 = 2,334.80/x
  3. Step 3: Cross multiply
    3,511.28x = 4,847.64 × 2,334.80
  4. Step 4: Simplify right side
    3,511.28x = 11,318,269.87
  5. Step 5: Solve for x
    x = 11,318,269.87/3,511.28
  6. Step 6: Final answer
    x = 3,223.40

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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.