Home / 2,133.69-3,186.32-2,110.80

Finding the Fourth Proportional to 2,133.69, 3,186.32 and 2,110.80

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Solution

The fourth proportional to 2,133.69, 3,186.32 and 2,110.80 is: 3,152.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133.69 : 3,186.32 = 2,110.80 : x
  2. Step 2: Convert to fraction form
    2,133.69/3,186.32 = 2,110.80/x
  3. Step 3: Cross multiply
    2,133.69x = 3,186.32 × 2,110.80
  4. Step 4: Simplify right side
    2,133.69x = 6,725,684.26
  5. Step 5: Solve for x
    x = 6,725,684.26/2,133.69
  6. Step 6: Final answer
    x = 3,152.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.