Home / 2,973.87-4,103.88-1,647.57

Finding the Fourth Proportional to 2,973.87, 4,103.88 and 1,647.57

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Solution

The fourth proportional to 2,973.87, 4,103.88 and 1,647.57 is: 2,273.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,973.87 : 4,103.88 = 1,647.57 : x
  2. Step 2: Convert to fraction form
    2,973.87/4,103.88 = 1,647.57/x
  3. Step 3: Cross multiply
    2,973.87x = 4,103.88 × 1,647.57
  4. Step 4: Simplify right side
    2,973.87x = 6,761,429.57
  5. Step 5: Solve for x
    x = 6,761,429.57/2,973.87
  6. Step 6: Final answer
    x = 2,273.61

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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.