Home / 3,018.31-4,165.26-1,823.36

Finding the Fourth Proportional to 3,018.31, 4,165.26 and 1,823.36

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Solution

The fourth proportional to 3,018.31, 4,165.26 and 1,823.36 is: 2,516.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.31 : 4,165.26 = 1,823.36 : x
  2. Step 2: Convert to fraction form
    3,018.31/4,165.26 = 1,823.36/x
  3. Step 3: Cross multiply
    3,018.31x = 4,165.26 × 1,823.36
  4. Step 4: Simplify right side
    3,018.31x = 7,594,768.47
  5. Step 5: Solve for x
    x = 7,594,768.47/3,018.31
  6. Step 6: Final answer
    x = 2,516.23

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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.