Home / 3,042.20-4,200.72-1,924.94

Finding the Fourth Proportional to 3,042.20, 4,200.72 and 1,924.94

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Solution

The fourth proportional to 3,042.20, 4,200.72 and 1,924.94 is: 2,657.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,042.20 : 4,200.72 = 1,924.94 : x
  2. Step 2: Convert to fraction form
    3,042.20/4,200.72 = 1,924.94/x
  3. Step 3: Cross multiply
    3,042.20x = 4,200.72 × 1,924.94
  4. Step 4: Simplify right side
    3,042.20x = 8,086,133.96
  5. Step 5: Solve for x
    x = 8,086,133.96/3,042.20
  6. Step 6: Final answer
    x = 2,657.99

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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.