Home / 2,976.74-4,107.67-1,650.42

Finding the Fourth Proportional to 2,976.74, 4,107.67 and 1,650.42

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Solution

The fourth proportional to 2,976.74, 4,107.67 and 1,650.42 is: 2,277.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976.74 : 4,107.67 = 1,650.42 : x
  2. Step 2: Convert to fraction form
    2,976.74/4,107.67 = 1,650.42/x
  3. Step 3: Cross multiply
    2,976.74x = 4,107.67 × 1,650.42
  4. Step 4: Simplify right side
    2,976.74x = 6,779,380.72
  5. Step 5: Solve for x
    x = 6,779,380.72/2,976.74
  6. Step 6: Final answer
    x = 2,277.45

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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.