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Finding the Fourth Proportional to 1,486.08, 2,051.04 and 1,368.96

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Solution

The fourth proportional to 1,486.08, 2,051.04 and 1,368.96 is: 1,889.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486.08 : 2,051.04 = 1,368.96 : x
  2. Step 2: Convert to fraction form
    1,486.08/2,051.04 = 1,368.96/x
  3. Step 3: Cross multiply
    1,486.08x = 2,051.04 × 1,368.96
  4. Step 4: Simplify right side
    1,486.08x = 2,807,791.72
  5. Step 5: Solve for x
    x = 2,807,791.72/1,486.08
  6. Step 6: Final answer
    x = 1,889.39

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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.