Home / 2,851.93-3,935.91-1,673.20

Finding the Fourth Proportional to 2,851.93, 3,935.91 and 1,673.20

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Solution

The fourth proportional to 2,851.93, 3,935.91 and 1,673.20 is: 2,309.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,851.93 : 3,935.91 = 1,673.20 : x
  2. Step 2: Convert to fraction form
    2,851.93/3,935.91 = 1,673.20/x
  3. Step 3: Cross multiply
    2,851.93x = 3,935.91 × 1,673.20
  4. Step 4: Simplify right side
    2,851.93x = 6,585,564.61
  5. Step 5: Solve for x
    x = 6,585,564.61/2,851.93
  6. Step 6: Final answer
    x = 2,309.16

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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.