Home / 3,181.77-4,773.87-1,235.34

Finding the Fourth Proportional to 3,181.77, 4,773.87 and 1,235.34

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Solution

The fourth proportional to 3,181.77, 4,773.87 and 1,235.34 is: 1,853.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181.77 : 4,773.87 = 1,235.34 : x
  2. Step 2: Convert to fraction form
    3,181.77/4,773.87 = 1,235.34/x
  3. Step 3: Cross multiply
    3,181.77x = 4,773.87 × 1,235.34
  4. Step 4: Simplify right side
    3,181.77x = 5,897,352.57
  5. Step 5: Solve for x
    x = 5,897,352.57/3,181.77
  6. Step 6: Final answer
    x = 1,853.48

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1.5x scale

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.