Home / 2,749.50-3,791.94-1,699.74

Finding the Fourth Proportional to 2,749.50, 3,791.94 and 1,699.74

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Solution

The fourth proportional to 2,749.50, 3,791.94 and 1,699.74 is: 2,344.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749.50 : 3,791.94 = 1,699.74 : x
  2. Step 2: Convert to fraction form
    2,749.50/3,791.94 = 1,699.74/x
  3. Step 3: Cross multiply
    2,749.50x = 3,791.94 × 1,699.74
  4. Step 4: Simplify right side
    2,749.50x = 6,445,312.10
  5. Step 5: Solve for x
    x = 6,445,312.10/2,749.50
  6. Step 6: Final answer
    x = 2,344.18

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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.