Home / 2,120.34-3,183.77-2,026.76

Finding the Fourth Proportional to 2,120.34, 3,183.77 and 2,026.76

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Solution

The fourth proportional to 2,120.34, 3,183.77 and 2,026.76 is: 3,043.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120.34 : 3,183.77 = 2,026.76 : x
  2. Step 2: Convert to fraction form
    2,120.34/3,183.77 = 2,026.76/x
  3. Step 3: Cross multiply
    2,120.34x = 3,183.77 × 2,026.76
  4. Step 4: Simplify right side
    2,120.34x = 6,452,726.83
  5. Step 5: Solve for x
    x = 6,452,726.83/2,120.34
  6. Step 6: Final answer
    x = 3,043.25

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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.