Home / 2,084.36-3,128.46-2,036.84

Finding the Fourth Proportional to 2,084.36, 3,128.46 and 2,036.84

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Solution

The fourth proportional to 2,084.36, 3,128.46 and 2,036.84 is: 3,057.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,084.36 : 3,128.46 = 2,036.84 : x
  2. Step 2: Convert to fraction form
    2,084.36/3,128.46 = 2,036.84/x
  3. Step 3: Cross multiply
    2,084.36x = 3,128.46 × 2,036.84
  4. Step 4: Simplify right side
    2,084.36x = 6,372,172.47
  5. Step 5: Solve for x
    x = 6,372,172.47/2,084.36
  6. Step 6: Final answer
    x = 3,057.14

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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.