Home / 3,186.48-4,780.26-1,626.24

Finding the Fourth Proportional to 3,186.48, 4,780.26 and 1,626.24

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Solution

The fourth proportional to 3,186.48, 4,780.26 and 1,626.24 is: 2,439.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.48 : 4,780.26 = 1,626.24 : x
  2. Step 2: Convert to fraction form
    3,186.48/4,780.26 = 1,626.24/x
  3. Step 3: Cross multiply
    3,186.48x = 4,780.26 × 1,626.24
  4. Step 4: Simplify right side
    3,186.48x = 7,773,850.02
  5. Step 5: Solve for x
    x = 7,773,850.02/3,186.48
  6. Step 6: Final answer
    x = 2,439.64

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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.