Home / 1,524.83-2,286.81-1,279.62

Finding the Fourth Proportional to 1,524.83, 2,286.81 and 1,279.62

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Solution

The fourth proportional to 1,524.83, 2,286.81 and 1,279.62 is: 1,919.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,524.83 : 2,286.81 = 1,279.62 : x
  2. Step 2: Convert to fraction form
    1,524.83/2,286.81 = 1,279.62/x
  3. Step 3: Cross multiply
    1,524.83x = 2,286.81 × 1,279.62
  4. Step 4: Simplify right side
    1,524.83x = 2,926,247.81
  5. Step 5: Solve for x
    x = 2,926,247.81/1,524.83
  6. Step 6: Final answer
    x = 1,919.07

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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.