Home / 3,887.74-5,361.77-3,285.03

Finding the Fourth Proportional to 3,887.74, 5,361.77 and 3,285.03

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Solution

The fourth proportional to 3,887.74, 5,361.77 and 3,285.03 is: 4,530.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887.74 : 5,361.77 = 3,285.03 : x
  2. Step 2: Convert to fraction form
    3,887.74/5,361.77 = 3,285.03/x
  3. Step 3: Cross multiply
    3,887.74x = 5,361.77 × 3,285.03
  4. Step 4: Simplify right side
    3,887.74x = 17,613,570.11
  5. Step 5: Solve for x
    x = 17,613,570.11/3,887.74
  6. Step 6: Final answer
    x = 4,530.55

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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.