Home / 2,749.80-4,120.47-1,773.93

Finding the Fourth Proportional to 2,749.80, 4,120.47 and 1,773.93

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Solution

The fourth proportional to 2,749.80, 4,120.47 and 1,773.93 is: 2,658.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749.80 : 4,120.47 = 1,773.93 : x
  2. Step 2: Convert to fraction form
    2,749.80/4,120.47 = 1,773.93/x
  3. Step 3: Cross multiply
    2,749.80x = 4,120.47 × 1,773.93
  4. Step 4: Simplify right side
    2,749.80x = 7,309,425.35
  5. Step 5: Solve for x
    x = 7,309,425.35/2,749.80
  6. Step 6: Final answer
    x = 2,658.17

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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.