Home / 2,953.75-4,076.90-1,712.47

Finding the Fourth Proportional to 2,953.75, 4,076.90 and 1,712.47

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Solution

The fourth proportional to 2,953.75, 4,076.90 and 1,712.47 is: 2,363.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,953.75 : 4,076.90 = 1,712.47 : x
  2. Step 2: Convert to fraction form
    2,953.75/4,076.90 = 1,712.47/x
  3. Step 3: Cross multiply
    2,953.75x = 4,076.90 × 1,712.47
  4. Step 4: Simplify right side
    2,953.75x = 6,981,568.94
  5. Step 5: Solve for x
    x = 6,981,568.94/2,953.75
  6. Step 6: Final answer
    x = 2,363.63

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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.