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Finding the Fourth Proportional to 1,887.58, 2,829.04 and 1,369.36

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Solution

The fourth proportional to 1,887.58, 2,829.04 and 1,369.36 is: 2,052.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887.58 : 2,829.04 = 1,369.36 : x
  2. Step 2: Convert to fraction form
    1,887.58/2,829.04 = 1,369.36/x
  3. Step 3: Cross multiply
    1,887.58x = 2,829.04 × 1,369.36
  4. Step 4: Simplify right side
    1,887.58x = 3,873,974.21
  5. Step 5: Solve for x
    x = 3,873,974.21/1,887.58
  6. Step 6: Final answer
    x = 2,052.35

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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.