Home / 3,753.51-5,180.16-2,181.50

Finding the Fourth Proportional to 3,753.51, 5,180.16 and 2,181.50

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Solution

The fourth proportional to 3,753.51, 5,180.16 and 2,181.50 is: 3,010.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,753.51 : 5,180.16 = 2,181.50 : x
  2. Step 2: Convert to fraction form
    3,753.51/5,180.16 = 2,181.50/x
  3. Step 3: Cross multiply
    3,753.51x = 5,180.16 × 2,181.50
  4. Step 4: Simplify right side
    3,753.51x = 11,300,519.04
  5. Step 5: Solve for x
    x = 11,300,519.04/3,753.51
  6. Step 6: Final answer
    x = 3,010.66

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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.