Home / 3,043.01-4,189.20-2,903.69

Finding the Fourth Proportional to 3,043.01, 4,189.20 and 2,903.69

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Solution

The fourth proportional to 3,043.01, 4,189.20 and 2,903.69 is: 3,997.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,043.01 : 4,189.20 = 2,903.69 : x
  2. Step 2: Convert to fraction form
    3,043.01/4,189.20 = 2,903.69/x
  3. Step 3: Cross multiply
    3,043.01x = 4,189.20 × 2,903.69
  4. Step 4: Simplify right side
    3,043.01x = 12,164,138.15
  5. Step 5: Solve for x
    x = 12,164,138.15/3,043.01
  6. Step 6: Final answer
    x = 3,997.40

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Half scale
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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.