Home / 4,122.60-6,183.90-1,656.15

Finding the Fourth Proportional to 4,122.60, 6,183.90 and 1,656.15

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Solution

The fourth proportional to 4,122.60, 6,183.90 and 1,656.15 is: 2,484.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.60 : 6,183.90 = 1,656.15 : x
  2. Step 2: Convert to fraction form
    4,122.60/6,183.90 = 1,656.15/x
  3. Step 3: Cross multiply
    4,122.60x = 6,183.90 × 1,656.15
  4. Step 4: Simplify right side
    4,122.60x = 10,241,465.99
  5. Step 5: Solve for x
    x = 10,241,465.99/4,122.60
  6. Step 6: Final answer
    x = 2,484.23

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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.