Home / 3,143.44-4,340.87-2,026.99

Finding the Fourth Proportional to 3,143.44, 4,340.87 and 2,026.99

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Solution

The fourth proportional to 3,143.44, 4,340.87 and 2,026.99 is: 2,799.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143.44 : 4,340.87 = 2,026.99 : x
  2. Step 2: Convert to fraction form
    3,143.44/4,340.87 = 2,026.99/x
  3. Step 3: Cross multiply
    3,143.44x = 4,340.87 × 2,026.99
  4. Step 4: Simplify right side
    3,143.44x = 8,798,900.08
  5. Step 5: Solve for x
    x = 8,798,900.08/3,143.44
  6. Step 6: Final answer
    x = 2,799.13

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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.