Home / 2,090.82-2,883.96-1,343.60

Finding the Fourth Proportional to 2,090.82, 2,883.96 and 1,343.60

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Solution

The fourth proportional to 2,090.82, 2,883.96 and 1,343.60 is: 1,853.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,090.82 : 2,883.96 = 1,343.60 : x
  2. Step 2: Convert to fraction form
    2,090.82/2,883.96 = 1,343.60/x
  3. Step 3: Cross multiply
    2,090.82x = 2,883.96 × 1,343.60
  4. Step 4: Simplify right side
    2,090.82x = 3,874,874.24
  5. Step 5: Solve for x
    x = 3,874,874.24/2,090.82
  6. Step 6: Final answer
    x = 1,853.28

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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.