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Finding the Fourth Proportional to 4,162.60, 6,244.60 and 1,241.20

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Solution

The fourth proportional to 4,162.60, 6,244.60 and 1,241.20 is: 1,862.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,162.60 : 6,244.60 = 1,241.20 : x
  2. Step 2: Convert to fraction form
    4,162.60/6,244.60 = 1,241.20/x
  3. Step 3: Cross multiply
    4,162.60x = 6,244.60 × 1,241.20
  4. Step 4: Simplify right side
    4,162.60x = 7,750,797.52
  5. Step 5: Solve for x
    x = 7,750,797.52/4,162.60
  6. Step 6: Final answer
    x = 1,862.01

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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.