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Finding the Fourth Proportional to 1,904.97, 2,629.03 and 1,159.11

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Solution

The fourth proportional to 1,904.97, 2,629.03 and 1,159.11 is: 1,599.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904.97 : 2,629.03 = 1,159.11 : x
  2. Step 2: Convert to fraction form
    1,904.97/2,629.03 = 1,159.11/x
  3. Step 3: Cross multiply
    1,904.97x = 2,629.03 × 1,159.11
  4. Step 4: Simplify right side
    1,904.97x = 3,047,337.50
  5. Step 5: Solve for x
    x = 3,047,337.50/1,904.97
  6. Step 6: Final answer
    x = 1,599.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.