Home / 2,952.72-4,429.08-1,222.80

Finding the Fourth Proportional to 2,952.72, 4,429.08 and 1,222.80

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Solution

The fourth proportional to 2,952.72, 4,429.08 and 1,222.80 is: 1,834.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,952.72 : 4,429.08 = 1,222.80 : x
  2. Step 2: Convert to fraction form
    2,952.72/4,429.08 = 1,222.80/x
  3. Step 3: Cross multiply
    2,952.72x = 4,429.08 × 1,222.80
  4. Step 4: Simplify right side
    2,952.72x = 5,415,879.02
  5. Step 5: Solve for x
    x = 5,415,879.02/2,952.72
  6. Step 6: Final answer
    x = 1,834.20

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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.