Home / 2,942.93-4,402.76-2,279.57

Finding the Fourth Proportional to 2,942.93, 4,402.76 and 2,279.57

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Solution

The fourth proportional to 2,942.93, 4,402.76 and 2,279.57 is: 3,410.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942.93 : 4,402.76 = 2,279.57 : x
  2. Step 2: Convert to fraction form
    2,942.93/4,402.76 = 2,279.57/x
  3. Step 3: Cross multiply
    2,942.93x = 4,402.76 × 2,279.57
  4. Step 4: Simplify right side
    2,942.93x = 10,036,388.22
  5. Step 5: Solve for x
    x = 10,036,388.22/2,942.93
  6. Step 6: Final answer
    x = 3,410.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.