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Finding the Fourth Proportional to 1,891.20, 2,837.16 and 592.68

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Solution

The fourth proportional to 1,891.20, 2,837.16 and 592.68 is: 889.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891.20 : 2,837.16 = 592.68 : x
  2. Step 2: Convert to fraction form
    1,891.20/2,837.16 = 592.68/x
  3. Step 3: Cross multiply
    1,891.20x = 2,837.16 × 592.68
  4. Step 4: Simplify right side
    1,891.20x = 1,681,527.99
  5. Step 5: Solve for x
    x = 1,681,527.99/1,891.20
  6. Step 6: Final answer
    x = 889.13

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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.