Home / 3,540.21-4,885.36-2,047.88

Finding the Fourth Proportional to 3,540.21, 4,885.36 and 2,047.88

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Solution

The fourth proportional to 3,540.21, 4,885.36 and 2,047.88 is: 2,826.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.21 : 4,885.36 = 2,047.88 : x
  2. Step 2: Convert to fraction form
    3,540.21/4,885.36 = 2,047.88/x
  3. Step 3: Cross multiply
    3,540.21x = 4,885.36 × 2,047.88
  4. Step 4: Simplify right side
    3,540.21x = 10,004,649.65
  5. Step 5: Solve for x
    x = 10,004,649.65/3,540.21
  6. Step 6: Final answer
    x = 2,826.01

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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.