Home / 3,602.70-5,409.45-2,511.90

Finding the Fourth Proportional to 3,602.70, 5,409.45 and 2,511.90

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Solution

The fourth proportional to 3,602.70, 5,409.45 and 2,511.90 is: 3,771.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,602.70 : 5,409.45 = 2,511.90 : x
  2. Step 2: Convert to fraction form
    3,602.70/5,409.45 = 2,511.90/x
  3. Step 3: Cross multiply
    3,602.70x = 5,409.45 × 2,511.90
  4. Step 4: Simplify right side
    3,602.70x = 13,587,997.46
  5. Step 5: Solve for x
    x = 13,587,997.46/3,602.70
  6. Step 6: Final answer
    x = 3,771.62

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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.