Home / 3,518.47-4,855.86-2,026.78

Finding the Fourth Proportional to 3,518.47, 4,855.86 and 2,026.78

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Solution

The fourth proportional to 3,518.47, 4,855.86 and 2,026.78 is: 2,797.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.47 : 4,855.86 = 2,026.78 : x
  2. Step 2: Convert to fraction form
    3,518.47/4,855.86 = 2,026.78/x
  3. Step 3: Cross multiply
    3,518.47x = 4,855.86 × 2,026.78
  4. Step 4: Simplify right side
    3,518.47x = 9,841,759.93
  5. Step 5: Solve for x
    x = 9,841,759.93/3,518.47
  6. Step 6: Final answer
    x = 2,797.17

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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.