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Finding the Fourth Proportional to 3,553.55, 5,333.07 and 2,868.59

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Solution

The fourth proportional to 3,553.55, 5,333.07 and 2,868.59 is: 4,305.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553.55 : 5,333.07 = 2,868.59 : x
  2. Step 2: Convert to fraction form
    3,553.55/5,333.07 = 2,868.59/x
  3. Step 3: Cross multiply
    3,553.55x = 5,333.07 × 2,868.59
  4. Step 4: Simplify right side
    3,553.55x = 15,298,415.36
  5. Step 5: Solve for x
    x = 15,298,415.36/3,553.55
  6. Step 6: Final answer
    x = 4,305.11

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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.