Home / 3,245.29-4,477.69-2,181.18

Finding the Fourth Proportional to 3,245.29, 4,477.69 and 2,181.18

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Solution

The fourth proportional to 3,245.29, 4,477.69 and 2,181.18 is: 3,009.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,245.29 : 4,477.69 = 2,181.18 : x
  2. Step 2: Convert to fraction form
    3,245.29/4,477.69 = 2,181.18/x
  3. Step 3: Cross multiply
    3,245.29x = 4,477.69 × 2,181.18
  4. Step 4: Simplify right side
    3,245.29x = 9,766,647.87
  5. Step 5: Solve for x
    x = 9,766,647.87/3,245.29
  6. Step 6: Final answer
    x = 3,009.48

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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.