Home / 2,942.45-4,416.21-1,708.15

Finding the Fourth Proportional to 2,942.45, 4,416.21 and 1,708.15

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Solution

The fourth proportional to 2,942.45, 4,416.21 and 1,708.15 is: 2,563.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942.45 : 4,416.21 = 1,708.15 : x
  2. Step 2: Convert to fraction form
    2,942.45/4,416.21 = 1,708.15/x
  3. Step 3: Cross multiply
    2,942.45x = 4,416.21 × 1,708.15
  4. Step 4: Simplify right side
    2,942.45x = 7,543,518.49
  5. Step 5: Solve for x
    x = 7,543,518.49/2,942.45
  6. Step 6: Final answer
    x = 2,563.69

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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.