Home / 3,060.80-4,223.96-1,881.44

Finding the Fourth Proportional to 3,060.80, 4,223.96 and 1,881.44

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Solution

The fourth proportional to 3,060.80, 4,223.96 and 1,881.44 is: 2,596.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,060.80 : 4,223.96 = 1,881.44 : x
  2. Step 2: Convert to fraction form
    3,060.80/4,223.96 = 1,881.44/x
  3. Step 3: Cross multiply
    3,060.80x = 4,223.96 × 1,881.44
  4. Step 4: Simplify right side
    3,060.80x = 7,947,127.30
  5. Step 5: Solve for x
    x = 7,947,127.30/3,060.80
  6. Step 6: Final answer
    x = 2,596.42

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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.