Home / 3,804.40-5,256.12-3,134.80

Finding the Fourth Proportional to 3,804.40, 5,256.12 and 3,134.80

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Solution

The fourth proportional to 3,804.40, 5,256.12 and 3,134.80 is: 4,331.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,804.40 : 5,256.12 = 3,134.80 : x
  2. Step 2: Convert to fraction form
    3,804.40/5,256.12 = 3,134.80/x
  3. Step 3: Cross multiply
    3,804.40x = 5,256.12 × 3,134.80
  4. Step 4: Simplify right side
    3,804.40x = 16,476,884.98
  5. Step 5: Solve for x
    x = 16,476,884.98/3,804.40
  6. Step 6: Final answer
    x = 4,331.01

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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.