Home / 2,311.05-3,465.71-750.65

Finding the Fourth Proportional to 2,311.05, 3,465.71 and 750.65

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Solution

The fourth proportional to 2,311.05, 3,465.71 and 750.65 is: 1,125.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311.05 : 3,465.71 = 750.65 : x
  2. Step 2: Convert to fraction form
    2,311.05/3,465.71 = 750.65/x
  3. Step 3: Cross multiply
    2,311.05x = 3,465.71 × 750.65
  4. Step 4: Simplify right side
    2,311.05x = 2,601,528.42
  5. Step 5: Solve for x
    x = 2,601,528.42/2,311.05
  6. Step 6: Final answer
    x = 1,125.69

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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.