Home / 2,388.66-3,295.75-1,393.36

Finding the Fourth Proportional to 2,388.66, 3,295.75 and 1,393.36

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Solution

The fourth proportional to 2,388.66, 3,295.75 and 1,393.36 is: 1,922.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,388.66 : 3,295.75 = 1,393.36 : x
  2. Step 2: Convert to fraction form
    2,388.66/3,295.75 = 1,393.36/x
  3. Step 3: Cross multiply
    2,388.66x = 3,295.75 × 1,393.36
  4. Step 4: Simplify right side
    2,388.66x = 4,592,166.22
  5. Step 5: Solve for x
    x = 4,592,166.22/2,388.66
  6. Step 6: Final answer
    x = 1,922.49

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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.