Home / 3,542.85-4,889.45-1,949.82

Finding the Fourth Proportional to 3,542.85, 4,889.45 and 1,949.82

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Solution

The fourth proportional to 3,542.85, 4,889.45 and 1,949.82 is: 2,690.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,542.85 : 4,889.45 = 1,949.82 : x
  2. Step 2: Convert to fraction form
    3,542.85/4,889.45 = 1,949.82/x
  3. Step 3: Cross multiply
    3,542.85x = 4,889.45 × 1,949.82
  4. Step 4: Simplify right side
    3,542.85x = 9,533,533.94
  5. Step 5: Solve for x
    x = 9,533,533.94/3,542.85
  6. Step 6: Final answer
    x = 2,690.92

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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.