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Finding the Fourth Proportional to 1,576, 2,373.19 and 1,168.03

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Solution

The fourth proportional to 1,576, 2,373.19 and 1,168.03 is: 1,758.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,576 : 2,373.19 = 1,168.03 : x
  2. Step 2: Convert to fraction form
    1,576/2,373.19 = 1,168.03/x
  3. Step 3: Cross multiply
    1,576x = 2,373.19 × 1,168.03
  4. Step 4: Simplify right side
    1,576x = 2,771,957.12
  5. Step 5: Solve for x
    x = 2,771,957.12/1,576
  6. Step 6: Final answer
    x = 1,758.86

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.