Home / 2,883.24-3,979.24-1,889.36

Finding the Fourth Proportional to 2,883.24, 3,979.24 and 1,889.36

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Solution

The fourth proportional to 2,883.24, 3,979.24 and 1,889.36 is: 2,607.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,883.24 : 3,979.24 = 1,889.36 : x
  2. Step 2: Convert to fraction form
    2,883.24/3,979.24 = 1,889.36/x
  3. Step 3: Cross multiply
    2,883.24x = 3,979.24 × 1,889.36
  4. Step 4: Simplify right side
    2,883.24x = 7,518,216.89
  5. Step 5: Solve for x
    x = 7,518,216.89/2,883.24
  6. Step 6: Final answer
    x = 2,607.56

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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.