Home / 3,813.32-5,260.62-2,486.54

Finding the Fourth Proportional to 3,813.32, 5,260.62 and 2,486.54

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Solution

The fourth proportional to 3,813.32, 5,260.62 and 2,486.54 is: 3,430.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,813.32 : 5,260.62 = 2,486.54 : x
  2. Step 2: Convert to fraction form
    3,813.32/5,260.62 = 2,486.54/x
  3. Step 3: Cross multiply
    3,813.32x = 5,260.62 × 2,486.54
  4. Step 4: Simplify right side
    3,813.32x = 13,080,742.05
  5. Step 5: Solve for x
    x = 13,080,742.05/3,813.32
  6. Step 6: Final answer
    x = 3,430.28

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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.