Home / 2,529.12-3,775.97-2,381.70

Finding the Fourth Proportional to 2,529.12, 3,775.97 and 2,381.70

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Solution

The fourth proportional to 2,529.12, 3,775.97 and 2,381.70 is: 3,555.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,529.12 : 3,775.97 = 2,381.70 : x
  2. Step 2: Convert to fraction form
    2,529.12/3,775.97 = 2,381.70/x
  3. Step 3: Cross multiply
    2,529.12x = 3,775.97 × 2,381.70
  4. Step 4: Simplify right side
    2,529.12x = 8,993,227.75
  5. Step 5: Solve for x
    x = 8,993,227.75/2,529.12
  6. Step 6: Final answer
    x = 3,555.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.