Home / 3,038.13-4,192.62-1,640.88

Finding the Fourth Proportional to 3,038.13, 4,192.62 and 1,640.88

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Solution

The fourth proportional to 3,038.13, 4,192.62 and 1,640.88 is: 2,264.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,038.13 : 4,192.62 = 1,640.88 : x
  2. Step 2: Convert to fraction form
    3,038.13/4,192.62 = 1,640.88/x
  3. Step 3: Cross multiply
    3,038.13x = 4,192.62 × 1,640.88
  4. Step 4: Simplify right side
    3,038.13x = 6,879,557.14
  5. Step 5: Solve for x
    x = 6,879,557.14/3,038.13
  6. Step 6: Final answer
    x = 2,264.41

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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.