Home / 3,143.08-4,338.66-2,094.76

Finding the Fourth Proportional to 3,143.08, 4,338.66 and 2,094.76

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Solution

The fourth proportional to 3,143.08, 4,338.66 and 2,094.76 is: 2,891.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143.08 : 4,338.66 = 2,094.76 : x
  2. Step 2: Convert to fraction form
    3,143.08/4,338.66 = 2,094.76/x
  3. Step 3: Cross multiply
    3,143.08x = 4,338.66 × 2,094.76
  4. Step 4: Simplify right side
    3,143.08x = 9,088,451.42
  5. Step 5: Solve for x
    x = 9,088,451.42/3,143.08
  6. Step 6: Final answer
    x = 2,891.57

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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.