Home / 3,108.25-4,662.37-1,259.02

Finding the Fourth Proportional to 3,108.25, 4,662.37 and 1,259.02

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Solution

The fourth proportional to 3,108.25, 4,662.37 and 1,259.02 is: 1,888.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.25 : 4,662.37 = 1,259.02 : x
  2. Step 2: Convert to fraction form
    3,108.25/4,662.37 = 1,259.02/x
  3. Step 3: Cross multiply
    3,108.25x = 4,662.37 × 1,259.02
  4. Step 4: Simplify right side
    3,108.25x = 5,869,993.77
  5. Step 5: Solve for x
    x = 5,869,993.77/3,108.25
  6. Step 6: Final answer
    x = 1,888.52

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Double scale
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Similar ratio
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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.