Home / 3,785.81-5,227-2,370.07

Finding the Fourth Proportional to 3,785.81, 5,227 and 2,370.07

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Solution

The fourth proportional to 3,785.81, 5,227 and 2,370.07 is: 3,272.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785.81 : 5,227 = 2,370.07 : x
  2. Step 2: Convert to fraction form
    3,785.81/5,227 = 2,370.07/x
  3. Step 3: Cross multiply
    3,785.81x = 5,227 × 2,370.07
  4. Step 4: Simplify right side
    3,785.81x = 12,388,355.89
  5. Step 5: Solve for x
    x = 12,388,355.89/3,785.81
  6. Step 6: Final answer
    x = 3,272.31

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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.