Home / 3,626.10-5,439.96-1,317.60

Finding the Fourth Proportional to 3,626.10, 5,439.96 and 1,317.60

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Solution

The fourth proportional to 3,626.10, 5,439.96 and 1,317.60 is: 1,976.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,626.10 : 5,439.96 = 1,317.60 : x
  2. Step 2: Convert to fraction form
    3,626.10/5,439.96 = 1,317.60/x
  3. Step 3: Cross multiply
    3,626.10x = 5,439.96 × 1,317.60
  4. Step 4: Simplify right side
    3,626.10x = 7,167,691.30
  5. Step 5: Solve for x
    x = 7,167,691.30/3,626.10
  6. Step 6: Final answer
    x = 1,976.69

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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.