Home / 3,060.88-4,224.09-1,881.28

Finding the Fourth Proportional to 3,060.88, 4,224.09 and 1,881.28

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Solution

The fourth proportional to 3,060.88, 4,224.09 and 1,881.28 is: 2,596.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,060.88 : 4,224.09 = 1,881.28 : x
  2. Step 2: Convert to fraction form
    3,060.88/4,224.09 = 1,881.28/x
  3. Step 3: Cross multiply
    3,060.88x = 4,224.09 × 1,881.28
  4. Step 4: Simplify right side
    3,060.88x = 7,946,696.04
  5. Step 5: Solve for x
    x = 7,946,696.04/3,060.88
  6. Step 6: Final answer
    x = 2,596.21

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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.