Home / 3,647.38-5,471.58-1,181.62

Finding the Fourth Proportional to 3,647.38, 5,471.58 and 1,181.62

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Solution

The fourth proportional to 3,647.38, 5,471.58 and 1,181.62 is: 1,772.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,647.38 : 5,471.58 = 1,181.62 : x
  2. Step 2: Convert to fraction form
    3,647.38/5,471.58 = 1,181.62/x
  3. Step 3: Cross multiply
    3,647.38x = 5,471.58 × 1,181.62
  4. Step 4: Simplify right side
    3,647.38x = 6,465,328.36
  5. Step 5: Solve for x
    x = 6,465,328.36/3,647.38
  6. Step 6: Final answer
    x = 1,772.60

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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.