Home / 3,505.32-4,837.14-2,107.80

Finding the Fourth Proportional to 3,505.32, 4,837.14 and 2,107.80

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Solution

The fourth proportional to 3,505.32, 4,837.14 and 2,107.80 is: 2,908.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505.32 : 4,837.14 = 2,107.80 : x
  2. Step 2: Convert to fraction form
    3,505.32/4,837.14 = 2,107.80/x
  3. Step 3: Cross multiply
    3,505.32x = 4,837.14 × 2,107.80
  4. Step 4: Simplify right side
    3,505.32x = 10,195,723.69
  5. Step 5: Solve for x
    x = 10,195,723.69/3,505.32
  6. Step 6: Final answer
    x = 2,908.64

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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.