Home / 3,137.22-4,325.76-2,143.08

Finding the Fourth Proportional to 3,137.22, 4,325.76 and 2,143.08

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Solution

The fourth proportional to 3,137.22, 4,325.76 and 2,143.08 is: 2,954.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137.22 : 4,325.76 = 2,143.08 : x
  2. Step 2: Convert to fraction form
    3,137.22/4,325.76 = 2,143.08/x
  3. Step 3: Cross multiply
    3,137.22x = 4,325.76 × 2,143.08
  4. Step 4: Simplify right side
    3,137.22x = 9,270,449.74
  5. Step 5: Solve for x
    x = 9,270,449.74/3,137.22
  6. Step 6: Final answer
    x = 2,954.99

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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.