Home / 2,672.11-3,686.46-1,552.85

Finding the Fourth Proportional to 2,672.11, 3,686.46 and 1,552.85

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Solution

The fourth proportional to 2,672.11, 3,686.46 and 1,552.85 is: 2,142.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672.11 : 3,686.46 = 1,552.85 : x
  2. Step 2: Convert to fraction form
    2,672.11/3,686.46 = 1,552.85/x
  3. Step 3: Cross multiply
    2,672.11x = 3,686.46 × 1,552.85
  4. Step 4: Simplify right side
    2,672.11x = 5,724,500.98
  5. Step 5: Solve for x
    x = 5,724,500.98/2,672.11
  6. Step 6: Final answer
    x = 2,142.32

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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.