Home / 3,894.06-5,838.51-1,812.96

Finding the Fourth Proportional to 3,894.06, 5,838.51 and 1,812.96

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Solution

The fourth proportional to 3,894.06, 5,838.51 and 1,812.96 is: 2,718.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,894.06 : 5,838.51 = 1,812.96 : x
  2. Step 2: Convert to fraction form
    3,894.06/5,838.51 = 1,812.96/x
  3. Step 3: Cross multiply
    3,894.06x = 5,838.51 × 1,812.96
  4. Step 4: Simplify right side
    3,894.06x = 10,584,985.09
  5. Step 5: Solve for x
    x = 10,584,985.09/3,894.06
  6. Step 6: Final answer
    x = 2,718.24

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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.