Home / 3,393.55-4,683.78-2,319.69

Finding the Fourth Proportional to 3,393.55, 4,683.78 and 2,319.69

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Solution

The fourth proportional to 3,393.55, 4,683.78 and 2,319.69 is: 3,201.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393.55 : 4,683.78 = 2,319.69 : x
  2. Step 2: Convert to fraction form
    3,393.55/4,683.78 = 2,319.69/x
  3. Step 3: Cross multiply
    3,393.55x = 4,683.78 × 2,319.69
  4. Step 4: Simplify right side
    3,393.55x = 10,864,917.63
  5. Step 5: Solve for x
    x = 10,864,917.63/3,393.55
  6. Step 6: Final answer
    x = 3,201.64

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1.5x scale

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.