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Finding the Fourth Proportional to 1,834.77, 2,753.28 and 1,055.76

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Solution

The fourth proportional to 1,834.77, 2,753.28 and 1,055.76 is: 1,584.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,834.77 : 2,753.28 = 1,055.76 : x
  2. Step 2: Convert to fraction form
    1,834.77/2,753.28 = 1,055.76/x
  3. Step 3: Cross multiply
    1,834.77x = 2,753.28 × 1,055.76
  4. Step 4: Simplify right side
    1,834.77x = 2,906,802.89
  5. Step 5: Solve for x
    x = 2,906,802.89/1,834.77
  6. Step 6: Final answer
    x = 1,584.29

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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.