Home / 3,090.64-4,635.05-1,629

Finding the Fourth Proportional to 3,090.64, 4,635.05 and 1,629

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Solution

The fourth proportional to 3,090.64, 4,635.05 and 1,629 is: 2,443.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.64 : 4,635.05 = 1,629 : x
  2. Step 2: Convert to fraction form
    3,090.64/4,635.05 = 1,629/x
  3. Step 3: Cross multiply
    3,090.64x = 4,635.05 × 1,629
  4. Step 4: Simplify right side
    3,090.64x = 7,550,496.45
  5. Step 5: Solve for x
    x = 7,550,496.45/3,090.64
  6. Step 6: Final answer
    x = 2,443.02

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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.