Home / 3,060.79-4,223.75-1,663.54

Finding the Fourth Proportional to 3,060.79, 4,223.75 and 1,663.54

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Solution

The fourth proportional to 3,060.79, 4,223.75 and 1,663.54 is: 2,295.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,060.79 : 4,223.75 = 1,663.54 : x
  2. Step 2: Convert to fraction form
    3,060.79/4,223.75 = 1,663.54/x
  3. Step 3: Cross multiply
    3,060.79x = 4,223.75 × 1,663.54
  4. Step 4: Simplify right side
    3,060.79x = 7,026,358.20
  5. Step 5: Solve for x
    x = 7,026,358.20/3,060.79
  6. Step 6: Final answer
    x = 2,295.60

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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.