Home / 2,847.29-4,271.39-1,203.85

Finding the Fourth Proportional to 2,847.29, 4,271.39 and 1,203.85

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Solution

The fourth proportional to 2,847.29, 4,271.39 and 1,203.85 is: 1,805.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847.29 : 4,271.39 = 1,203.85 : x
  2. Step 2: Convert to fraction form
    2,847.29/4,271.39 = 1,203.85/x
  3. Step 3: Cross multiply
    2,847.29x = 4,271.39 × 1,203.85
  4. Step 4: Simplify right side
    2,847.29x = 5,142,085.48
  5. Step 5: Solve for x
    x = 5,142,085.48/2,847.29
  6. Step 6: Final answer
    x = 1,805.96

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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.