Home / 2,435.24-3,651.94-874.80

Finding the Fourth Proportional to 2,435.24, 3,651.94 and 874.80

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Solution

The fourth proportional to 2,435.24, 3,651.94 and 874.80 is: 1,311.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,435.24 : 3,651.94 = 874.80 : x
  2. Step 2: Convert to fraction form
    2,435.24/3,651.94 = 874.80/x
  3. Step 3: Cross multiply
    2,435.24x = 3,651.94 × 874.80
  4. Step 4: Simplify right side
    2,435.24x = 3,194,717.11
  5. Step 5: Solve for x
    x = 3,194,717.11/2,435.24
  6. Step 6: Final answer
    x = 1,311.87

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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.