Home / 2,712.16-3,744.08-1,717.92

Finding the Fourth Proportional to 2,712.16, 3,744.08 and 1,717.92

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Solution

The fourth proportional to 2,712.16, 3,744.08 and 1,717.92 is: 2,371.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712.16 : 3,744.08 = 1,717.92 : x
  2. Step 2: Convert to fraction form
    2,712.16/3,744.08 = 1,717.92/x
  3. Step 3: Cross multiply
    2,712.16x = 3,744.08 × 1,717.92
  4. Step 4: Simplify right side
    2,712.16x = 6,432,029.91
  5. Step 5: Solve for x
    x = 6,432,029.91/2,712.16
  6. Step 6: Final answer
    x = 2,371.55

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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.