Home / 2,261.31-3,119.64-1,598.73

Finding the Fourth Proportional to 2,261.31, 3,119.64 and 1,598.73

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Solution

The fourth proportional to 2,261.31, 3,119.64 and 1,598.73 is: 2,205.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261.31 : 3,119.64 = 1,598.73 : x
  2. Step 2: Convert to fraction form
    2,261.31/3,119.64 = 1,598.73/x
  3. Step 3: Cross multiply
    2,261.31x = 3,119.64 × 1,598.73
  4. Step 4: Simplify right side
    2,261.31x = 4,987,462.06
  5. Step 5: Solve for x
    x = 4,987,462.06/2,261.31
  6. Step 6: Final answer
    x = 2,205.56

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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.