Home / 3,581.56-4,941.30-2,255.32

Finding the Fourth Proportional to 3,581.56, 4,941.30 and 2,255.32

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Solution

The fourth proportional to 3,581.56, 4,941.30 and 2,255.32 is: 3,111.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,581.56 : 4,941.30 = 2,255.32 : x
  2. Step 2: Convert to fraction form
    3,581.56/4,941.30 = 2,255.32/x
  3. Step 3: Cross multiply
    3,581.56x = 4,941.30 × 2,255.32
  4. Step 4: Simplify right side
    3,581.56x = 11,144,212.72
  5. Step 5: Solve for x
    x = 11,144,212.72/3,581.56
  6. Step 6: Final answer
    x = 3,111.55

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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.