Home / 3,939.30-5,903.64-2,184.24

Finding the Fourth Proportional to 3,939.30, 5,903.64 and 2,184.24

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Solution

The fourth proportional to 3,939.30, 5,903.64 and 2,184.24 is: 3,273.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939.30 : 5,903.64 = 2,184.24 : x
  2. Step 2: Convert to fraction form
    3,939.30/5,903.64 = 2,184.24/x
  3. Step 3: Cross multiply
    3,939.30x = 5,903.64 × 2,184.24
  4. Step 4: Simplify right side
    3,939.30x = 12,894,966.63
  5. Step 5: Solve for x
    x = 12,894,966.63/3,939.30
  6. Step 6: Final answer
    x = 3,273.42

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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.