Home / 4,102.25-5,661.16-2,333.81

Finding the Fourth Proportional to 4,102.25, 5,661.16 and 2,333.81

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Solution

The fourth proportional to 4,102.25, 5,661.16 and 2,333.81 is: 3,220.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102.25 : 5,661.16 = 2,333.81 : x
  2. Step 2: Convert to fraction form
    4,102.25/5,661.16 = 2,333.81/x
  3. Step 3: Cross multiply
    4,102.25x = 5,661.16 × 2,333.81
  4. Step 4: Simplify right side
    4,102.25x = 13,212,080.14
  5. Step 5: Solve for x
    x = 13,212,080.14/4,102.25
  6. Step 6: Final answer
    x = 3,220.70

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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.