Home / 3,269.13-4,903.71-1,189.20

Finding the Fourth Proportional to 3,269.13, 4,903.71 and 1,189.20

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Solution

The fourth proportional to 3,269.13, 4,903.71 and 1,189.20 is: 1,783.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,269.13 : 4,903.71 = 1,189.20 : x
  2. Step 2: Convert to fraction form
    3,269.13/4,903.71 = 1,189.20/x
  3. Step 3: Cross multiply
    3,269.13x = 4,903.71 × 1,189.20
  4. Step 4: Simplify right side
    3,269.13x = 5,831,491.93
  5. Step 5: Solve for x
    x = 5,831,491.93/3,269.13
  6. Step 6: Final answer
    x = 1,783.81

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1.5x scale

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.