Home / 2,090.62-2,877.74-1,893.79

Finding the Fourth Proportional to 2,090.62, 2,877.74 and 1,893.79

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Solution

The fourth proportional to 2,090.62, 2,877.74 and 1,893.79 is: 2,606.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,090.62 : 2,877.74 = 1,893.79 : x
  2. Step 2: Convert to fraction form
    2,090.62/2,877.74 = 1,893.79/x
  3. Step 3: Cross multiply
    2,090.62x = 2,877.74 × 1,893.79
  4. Step 4: Simplify right side
    2,090.62x = 5,449,835.23
  5. Step 5: Solve for x
    x = 5,449,835.23/2,090.62
  6. Step 6: Final answer
    x = 2,606.80

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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.