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Finding the Fourth Proportional to 1,908.89, 2,863.74 and 592.62

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Solution

The fourth proportional to 1,908.89, 2,863.74 and 592.62 is: 889.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908.89 : 2,863.74 = 592.62 : x
  2. Step 2: Convert to fraction form
    1,908.89/2,863.74 = 592.62/x
  3. Step 3: Cross multiply
    1,908.89x = 2,863.74 × 592.62
  4. Step 4: Simplify right side
    1,908.89x = 1,697,095.28
  5. Step 5: Solve for x
    x = 1,697,095.28/1,908.89
  6. Step 6: Final answer
    x = 889.05

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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.