Home / 3,643.20-5,026.86-2,245.68

Finding the Fourth Proportional to 3,643.20, 5,026.86 and 2,245.68

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Solution

The fourth proportional to 3,643.20, 5,026.86 and 2,245.68 is: 3,098.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,643.20 : 5,026.86 = 2,245.68 : x
  2. Step 2: Convert to fraction form
    3,643.20/5,026.86 = 2,245.68/x
  3. Step 3: Cross multiply
    3,643.20x = 5,026.86 × 2,245.68
  4. Step 4: Simplify right side
    3,643.20x = 11,288,718.96
  5. Step 5: Solve for x
    x = 11,288,718.96/3,643.20
  6. Step 6: Final answer
    x = 3,098.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.