Home / 2,713.44-3,745.46-1,929.76

Finding the Fourth Proportional to 2,713.44, 3,745.46 and 1,929.76

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Solution

The fourth proportional to 2,713.44, 3,745.46 and 1,929.76 is: 2,663.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,713.44 : 3,745.46 = 1,929.76 : x
  2. Step 2: Convert to fraction form
    2,713.44/3,745.46 = 1,929.76/x
  3. Step 3: Cross multiply
    2,713.44x = 3,745.46 × 1,929.76
  4. Step 4: Simplify right side
    2,713.44x = 7,227,838.89
  5. Step 5: Solve for x
    x = 7,227,838.89/2,713.44
  6. Step 6: Final answer
    x = 2,663.72

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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.