Home / 3,381.24-5,071.77-1,900.46

Finding the Fourth Proportional to 3,381.24, 5,071.77 and 1,900.46

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Solution

The fourth proportional to 3,381.24, 5,071.77 and 1,900.46 is: 2,850.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.24 : 5,071.77 = 1,900.46 : x
  2. Step 2: Convert to fraction form
    3,381.24/5,071.77 = 1,900.46/x
  3. Step 3: Cross multiply
    3,381.24x = 5,071.77 × 1,900.46
  4. Step 4: Simplify right side
    3,381.24x = 9,638,670.66
  5. Step 5: Solve for x
    x = 9,638,670.66/3,381.24
  6. Step 6: Final answer
    x = 2,850.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.