Home / 2,807.22-4,211.30-1,052.85

Finding the Fourth Proportional to 2,807.22, 4,211.30 and 1,052.85

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Solution

The fourth proportional to 2,807.22, 4,211.30 and 1,052.85 is: 1,579.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,807.22 : 4,211.30 = 1,052.85 : x
  2. Step 2: Convert to fraction form
    2,807.22/4,211.30 = 1,052.85/x
  3. Step 3: Cross multiply
    2,807.22x = 4,211.30 × 1,052.85
  4. Step 4: Simplify right side
    2,807.22x = 4,433,861.94
  5. Step 5: Solve for x
    x = 4,433,861.94/2,807.22
  6. Step 6: Final answer
    x = 1,579.45

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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.