Home / 2,890-4,328.72-1,792.04

Finding the Fourth Proportional to 2,890, 4,328.72 and 1,792.04

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Solution

The fourth proportional to 2,890, 4,328.72 and 1,792.04 is: 2,684.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890 : 4,328.72 = 1,792.04 : x
  2. Step 2: Convert to fraction form
    2,890/4,328.72 = 1,792.04/x
  3. Step 3: Cross multiply
    2,890x = 4,328.72 × 1,792.04
  4. Step 4: Simplify right side
    2,890x = 7,757,239.39
  5. Step 5: Solve for x
    x = 7,757,239.39/2,890
  6. Step 6: Final answer
    x = 2,684.17

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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.