Home / 2,942.45-4,416.20-1,708.14

Finding the Fourth Proportional to 2,942.45, 4,416.20 and 1,708.14

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Solution

The fourth proportional to 2,942.45, 4,416.20 and 1,708.14 is: 2,563.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942.45 : 4,416.20 = 1,708.14 : x
  2. Step 2: Convert to fraction form
    2,942.45/4,416.20 = 1,708.14/x
  3. Step 3: Cross multiply
    2,942.45x = 4,416.20 × 1,708.14
  4. Step 4: Simplify right side
    2,942.45x = 7,543,487.87
  5. Step 5: Solve for x
    x = 7,543,487.87/2,942.45
  6. Step 6: Final answer
    x = 2,563.68

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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.