Home / 2,388.44-3,578.02-1,345.26

Finding the Fourth Proportional to 2,388.44, 3,578.02 and 1,345.26

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Solution

The fourth proportional to 2,388.44, 3,578.02 and 1,345.26 is: 2,015.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,388.44 : 3,578.02 = 1,345.26 : x
  2. Step 2: Convert to fraction form
    2,388.44/3,578.02 = 1,345.26/x
  3. Step 3: Cross multiply
    2,388.44x = 3,578.02 × 1,345.26
  4. Step 4: Simplify right side
    2,388.44x = 4,813,367.19
  5. Step 5: Solve for x
    x = 4,813,367.19/2,388.44
  6. Step 6: Final answer
    x = 2,015.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.