Home / 2,090.14-2,884.34-1,206.09

Finding the Fourth Proportional to 2,090.14, 2,884.34 and 1,206.09

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Solution

The fourth proportional to 2,090.14, 2,884.34 and 1,206.09 is: 1,664.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,090.14 : 2,884.34 = 1,206.09 : x
  2. Step 2: Convert to fraction form
    2,090.14/2,884.34 = 1,206.09/x
  3. Step 3: Cross multiply
    2,090.14x = 2,884.34 × 1,206.09
  4. Step 4: Simplify right side
    2,090.14x = 3,478,776.65
  5. Step 5: Solve for x
    x = 3,478,776.65/2,090.14
  6. Step 6: Final answer
    x = 1,664.38

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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.