Home / 3,508.50-4,842.57-2,181.36

Finding the Fourth Proportional to 3,508.50, 4,842.57 and 2,181.36

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Solution

The fourth proportional to 3,508.50, 4,842.57 and 2,181.36 is: 3,010.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,508.50 : 4,842.57 = 2,181.36 : x
  2. Step 2: Convert to fraction form
    3,508.50/4,842.57 = 2,181.36/x
  3. Step 3: Cross multiply
    3,508.50x = 4,842.57 × 2,181.36
  4. Step 4: Simplify right side
    3,508.50x = 10,563,388.50
  5. Step 5: Solve for x
    x = 10,563,388.50/3,508.50
  6. Step 6: Final answer
    x = 3,010.80

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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.