Home / 3,090.88-4,634.68-1,357.52

Finding the Fourth Proportional to 3,090.88, 4,634.68 and 1,357.52

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Solution

The fourth proportional to 3,090.88, 4,634.68 and 1,357.52 is: 2,035.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.88 : 4,634.68 = 1,357.52 : x
  2. Step 2: Convert to fraction form
    3,090.88/4,634.68 = 1,357.52/x
  3. Step 3: Cross multiply
    3,090.88x = 4,634.68 × 1,357.52
  4. Step 4: Simplify right side
    3,090.88x = 6,291,670.79
  5. Step 5: Solve for x
    x = 6,291,670.79/3,090.88
  6. Step 6: Final answer
    x = 2,035.56

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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.