Home / 2,894.45-3,995.55-1,847.12

Finding the Fourth Proportional to 2,894.45, 3,995.55 and 1,847.12

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Solution

The fourth proportional to 2,894.45, 3,995.55 and 1,847.12 is: 2,549.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,894.45 : 3,995.55 = 1,847.12 : x
  2. Step 2: Convert to fraction form
    2,894.45/3,995.55 = 1,847.12/x
  3. Step 3: Cross multiply
    2,894.45x = 3,995.55 × 1,847.12
  4. Step 4: Simplify right side
    2,894.45x = 7,380,240.34
  5. Step 5: Solve for x
    x = 7,380,240.34/2,894.45
  6. Step 6: Final answer
    x = 2,549.79

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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.