Home / 4,171.10-6,259.73-1,979.83

Finding the Fourth Proportional to 4,171.10, 6,259.73 and 1,979.83

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Solution

The fourth proportional to 4,171.10, 6,259.73 and 1,979.83 is: 2,971.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,171.10 : 6,259.73 = 1,979.83 : x
  2. Step 2: Convert to fraction form
    4,171.10/6,259.73 = 1,979.83/x
  3. Step 3: Cross multiply
    4,171.10x = 6,259.73 × 1,979.83
  4. Step 4: Simplify right side
    4,171.10x = 12,393,201.25
  5. Step 5: Solve for x
    x = 12,393,201.25/4,171.10
  6. Step 6: Final answer
    x = 2,971.21

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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.