Home / 3,060.82-4,223.90-1,663.56

Finding the Fourth Proportional to 3,060.82, 4,223.90 and 1,663.56

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Solution

The fourth proportional to 3,060.82, 4,223.90 and 1,663.56 is: 2,295.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,060.82 : 4,223.90 = 1,663.56 : x
  2. Step 2: Convert to fraction form
    3,060.82/4,223.90 = 1,663.56/x
  3. Step 3: Cross multiply
    3,060.82x = 4,223.90 × 1,663.56
  4. Step 4: Simplify right side
    3,060.82x = 7,026,711.08
  5. Step 5: Solve for x
    x = 7,026,711.08/3,060.82
  6. Step 6: Final answer
    x = 2,295.70

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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.