Home / 3,846.36-5,308.25-2,145.13

Finding the Fourth Proportional to 3,846.36, 5,308.25 and 2,145.13

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Solution

The fourth proportional to 3,846.36, 5,308.25 and 2,145.13 is: 2,960.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,846.36 : 5,308.25 = 2,145.13 : x
  2. Step 2: Convert to fraction form
    3,846.36/5,308.25 = 2,145.13/x
  3. Step 3: Cross multiply
    3,846.36x = 5,308.25 × 2,145.13
  4. Step 4: Simplify right side
    3,846.36x = 11,386,886.32
  5. Step 5: Solve for x
    x = 11,386,886.32/3,846.36
  6. Step 6: Final answer
    x = 2,960.43

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Similar ratio
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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.