Home / 2,328.29-3,492.44-1,078.21

Finding the Fourth Proportional to 2,328.29, 3,492.44 and 1,078.21

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Solution

The fourth proportional to 2,328.29, 3,492.44 and 1,078.21 is: 1,617.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,328.29 : 3,492.44 = 1,078.21 : x
  2. Step 2: Convert to fraction form
    2,328.29/3,492.44 = 1,078.21/x
  3. Step 3: Cross multiply
    2,328.29x = 3,492.44 × 1,078.21
  4. Step 4: Simplify right side
    2,328.29x = 3,765,573.00
  5. Step 5: Solve for x
    x = 3,765,573.00/2,328.29
  6. Step 6: Final answer
    x = 1,617.31

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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.