Home / 3,670.28-5,064.22-2,177.99

Finding the Fourth Proportional to 3,670.28, 5,064.22 and 2,177.99

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Solution

The fourth proportional to 3,670.28, 5,064.22 and 2,177.99 is: 3,005.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670.28 : 5,064.22 = 2,177.99 : x
  2. Step 2: Convert to fraction form
    3,670.28/5,064.22 = 2,177.99/x
  3. Step 3: Cross multiply
    3,670.28x = 5,064.22 × 2,177.99
  4. Step 4: Simplify right side
    3,670.28x = 11,029,820.52
  5. Step 5: Solve for x
    x = 11,029,820.52/3,670.28
  6. Step 6: Final answer
    x = 3,005.17

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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.