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Finding the Fourth Proportional to 3,051.69, 4,570.08 and 2,755.87

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Solution

The fourth proportional to 3,051.69, 4,570.08 and 2,755.87 is: 4,127.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,051.69 : 4,570.08 = 2,755.87 : x
  2. Step 2: Convert to fraction form
    3,051.69/4,570.08 = 2,755.87/x
  3. Step 3: Cross multiply
    3,051.69x = 4,570.08 × 2,755.87
  4. Step 4: Simplify right side
    3,051.69x = 12,594,550.32
  5. Step 5: Solve for x
    x = 12,594,550.32/3,051.69
  6. Step 6: Final answer
    x = 4,127.07

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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.