Home / 3,511.70-5,261.46-2,687.52

Finding the Fourth Proportional to 3,511.70, 5,261.46 and 2,687.52

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Solution

The fourth proportional to 3,511.70, 5,261.46 and 2,687.52 is: 4,026.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.70 : 5,261.46 = 2,687.52 : x
  2. Step 2: Convert to fraction form
    3,511.70/5,261.46 = 2,687.52/x
  3. Step 3: Cross multiply
    3,511.70x = 5,261.46 × 2,687.52
  4. Step 4: Simplify right side
    3,511.70x = 14,140,278.98
  5. Step 5: Solve for x
    x = 14,140,278.98/3,511.70
  6. Step 6: Final answer
    x = 4,026.62

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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.