Home / 3,090.56-4,635.80-1,241.64

Finding the Fourth Proportional to 3,090.56, 4,635.80 and 1,241.64

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Solution

The fourth proportional to 3,090.56, 4,635.80 and 1,241.64 is: 1,862.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.56 : 4,635.80 = 1,241.64 : x
  2. Step 2: Convert to fraction form
    3,090.56/4,635.80 = 1,241.64/x
  3. Step 3: Cross multiply
    3,090.56x = 4,635.80 × 1,241.64
  4. Step 4: Simplify right side
    3,090.56x = 5,755,994.71
  5. Step 5: Solve for x
    x = 5,755,994.71/3,090.56
  6. Step 6: Final answer
    x = 1,862.44

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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.