Home / 2,923.86-4,380.01-1,535.12

Finding the Fourth Proportional to 2,923.86, 4,380.01 and 1,535.12

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Solution

The fourth proportional to 2,923.86, 4,380.01 and 1,535.12 is: 2,299.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,923.86 : 4,380.01 = 1,535.12 : x
  2. Step 2: Convert to fraction form
    2,923.86/4,380.01 = 1,535.12/x
  3. Step 3: Cross multiply
    2,923.86x = 4,380.01 × 1,535.12
  4. Step 4: Simplify right side
    2,923.86x = 6,723,815.21
  5. Step 5: Solve for x
    x = 6,723,815.21/2,923.86
  6. Step 6: Final answer
    x = 2,299.64

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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.