Home / 2,885.91-3,982.77-1,627.08

Finding the Fourth Proportional to 2,885.91, 3,982.77 and 1,627.08

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Solution

The fourth proportional to 2,885.91, 3,982.77 and 1,627.08 is: 2,245.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885.91 : 3,982.77 = 1,627.08 : x
  2. Step 2: Convert to fraction form
    2,885.91/3,982.77 = 1,627.08/x
  3. Step 3: Cross multiply
    2,885.91x = 3,982.77 × 1,627.08
  4. Step 4: Simplify right side
    2,885.91x = 6,480,277.28
  5. Step 5: Solve for x
    x = 6,480,277.28/2,885.91
  6. Step 6: Final answer
    x = 2,245.49

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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.