Home / 2,973.85-4,103.87-1,647.61

Finding the Fourth Proportional to 2,973.85, 4,103.87 and 1,647.61

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Solution

The fourth proportional to 2,973.85, 4,103.87 and 1,647.61 is: 2,273.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,973.85 : 4,103.87 = 1,647.61 : x
  2. Step 2: Convert to fraction form
    2,973.85/4,103.87 = 1,647.61/x
  3. Step 3: Cross multiply
    2,973.85x = 4,103.87 × 1,647.61
  4. Step 4: Simplify right side
    2,973.85x = 6,761,558.75
  5. Step 5: Solve for x
    x = 6,761,558.75/2,973.85
  6. Step 6: Final answer
    x = 2,273.67

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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.