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Finding the Fourth Proportional to 1,304.00, 1,798.81 and 1,119.93

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Solution

The fourth proportional to 1,304.00, 1,798.81 and 1,119.93 is: 1,544.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304.00 : 1,798.81 = 1,119.93 : x
  2. Step 2: Convert to fraction form
    1,304.00/1,798.81 = 1,119.93/x
  3. Step 3: Cross multiply
    1,304.00x = 1,798.81 × 1,119.93
  4. Step 4: Simplify right side
    1,304.00x = 2,014,531.74
  5. Step 5: Solve for x
    x = 2,014,531.74/1,304.00
  6. Step 6: Final answer
    x = 1,544.89

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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.