Home / 3,099.22-4,644.77-2,686.66

Finding the Fourth Proportional to 3,099.22, 4,644.77 and 2,686.66

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Solution

The fourth proportional to 3,099.22, 4,644.77 and 2,686.66 is: 4,026.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099.22 : 4,644.77 = 2,686.66 : x
  2. Step 2: Convert to fraction form
    3,099.22/4,644.77 = 2,686.66/x
  3. Step 3: Cross multiply
    3,099.22x = 4,644.77 × 2,686.66
  4. Step 4: Simplify right side
    3,099.22x = 12,478,917.77
  5. Step 5: Solve for x
    x = 12,478,917.77/3,099.22
  6. Step 6: Final answer
    x = 4,026.47

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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.