Home / 2,840.92-3,919.62-1,847.32

Finding the Fourth Proportional to 2,840.92, 3,919.62 and 1,847.32

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Solution

The fourth proportional to 2,840.92, 3,919.62 and 1,847.32 is: 2,548.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840.92 : 3,919.62 = 1,847.32 : x
  2. Step 2: Convert to fraction form
    2,840.92/3,919.62 = 1,847.32/x
  3. Step 3: Cross multiply
    2,840.92x = 3,919.62 × 1,847.32
  4. Step 4: Simplify right side
    2,840.92x = 7,240,792.42
  5. Step 5: Solve for x
    x = 7,240,792.42/2,840.92
  6. Step 6: Final answer
    x = 2,548.75

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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.