Home / 3,858.20-5,783.21-2,007.47

Finding the Fourth Proportional to 3,858.20, 5,783.21 and 2,007.47

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Solution

The fourth proportional to 3,858.20, 5,783.21 and 2,007.47 is: 3,009.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,858.20 : 5,783.21 = 2,007.47 : x
  2. Step 2: Convert to fraction form
    3,858.20/5,783.21 = 2,007.47/x
  3. Step 3: Cross multiply
    3,858.20x = 5,783.21 × 2,007.47
  4. Step 4: Simplify right side
    3,858.20x = 11,609,581.63
  5. Step 5: Solve for x
    x = 11,609,581.63/3,858.20
  6. Step 6: Final answer
    x = 3,009.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.