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Finding the Fourth Proportional to 2,610.93, 3,916.41 and 1,051.65

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Solution

The fourth proportional to 2,610.93, 3,916.41 and 1,051.65 is: 1,577.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,610.93 : 3,916.41 = 1,051.65 : x
  2. Step 2: Convert to fraction form
    2,610.93/3,916.41 = 1,051.65/x
  3. Step 3: Cross multiply
    2,610.93x = 3,916.41 × 1,051.65
  4. Step 4: Simplify right side
    2,610.93x = 4,118,692.58
  5. Step 5: Solve for x
    x = 4,118,692.58/2,610.93
  6. Step 6: Final answer
    x = 1,577.48

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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.