Home / 4,081.12-5,630.96-2,588.49

Finding the Fourth Proportional to 4,081.12, 5,630.96 and 2,588.49

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Solution

The fourth proportional to 4,081.12, 5,630.96 and 2,588.49 is: 3,571.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.12 : 5,630.96 = 2,588.49 : x
  2. Step 2: Convert to fraction form
    4,081.12/5,630.96 = 2,588.49/x
  3. Step 3: Cross multiply
    4,081.12x = 5,630.96 × 2,588.49
  4. Step 4: Simplify right side
    4,081.12x = 14,575,705.96
  5. Step 5: Solve for x
    x = 14,575,705.96/4,081.12
  6. Step 6: Final answer
    x = 3,571.50

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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.