Home / 3,169.02-4,749.99-1,319.52

Finding the Fourth Proportional to 3,169.02, 4,749.99 and 1,319.52

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Solution

The fourth proportional to 3,169.02, 4,749.99 and 1,319.52 is: 1,977.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169.02 : 4,749.99 = 1,319.52 : x
  2. Step 2: Convert to fraction form
    3,169.02/4,749.99 = 1,319.52/x
  3. Step 3: Cross multiply
    3,169.02x = 4,749.99 × 1,319.52
  4. Step 4: Simplify right side
    3,169.02x = 6,267,706.80
  5. Step 5: Solve for x
    x = 6,267,706.80/3,169.02
  6. Step 6: Final answer
    x = 1,977.81

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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.