Home / 2,822.66-3,897.20-1,760.84

Finding the Fourth Proportional to 2,822.66, 3,897.20 and 1,760.84

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Solution

The fourth proportional to 2,822.66, 3,897.20 and 1,760.84 is: 2,431.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,822.66 : 3,897.20 = 1,760.84 : x
  2. Step 2: Convert to fraction form
    2,822.66/3,897.20 = 1,760.84/x
  3. Step 3: Cross multiply
    2,822.66x = 3,897.20 × 1,760.84
  4. Step 4: Simplify right side
    2,822.66x = 6,862,345.65
  5. Step 5: Solve for x
    x = 6,862,345.65/2,822.66
  6. Step 6: Final answer
    x = 2,431.16

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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.