Home / 3,730.62-5,151.87-2,797.50

Finding the Fourth Proportional to 3,730.62, 5,151.87 and 2,797.50

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Solution

The fourth proportional to 3,730.62, 5,151.87 and 2,797.50 is: 3,863.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,730.62 : 5,151.87 = 2,797.50 : x
  2. Step 2: Convert to fraction form
    3,730.62/5,151.87 = 2,797.50/x
  3. Step 3: Cross multiply
    3,730.62x = 5,151.87 × 2,797.50
  4. Step 4: Simplify right side
    3,730.62x = 14,412,356.33
  5. Step 5: Solve for x
    x = 14,412,356.33/3,730.62
  6. Step 6: Final answer
    x = 3,863.26

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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.