Home / 3,807.77-5,255.33-2,235.85

Finding the Fourth Proportional to 3,807.77, 5,255.33 and 2,235.85

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Solution

The fourth proportional to 3,807.77, 5,255.33 and 2,235.85 is: 3,085.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,807.77 : 5,255.33 = 2,235.85 : x
  2. Step 2: Convert to fraction form
    3,807.77/5,255.33 = 2,235.85/x
  3. Step 3: Cross multiply
    3,807.77x = 5,255.33 × 2,235.85
  4. Step 4: Simplify right side
    3,807.77x = 11,750,105.26
  5. Step 5: Solve for x
    x = 11,750,105.26/3,807.77
  6. Step 6: Final answer
    x = 3,085.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.