Home / 3,615.08-5,422.79-1,018.22

Finding the Fourth Proportional to 3,615.08, 5,422.79 and 1,018.22

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Solution

The fourth proportional to 3,615.08, 5,422.79 and 1,018.22 is: 1,527.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615.08 : 5,422.79 = 1,018.22 : x
  2. Step 2: Convert to fraction form
    3,615.08/5,422.79 = 1,018.22/x
  3. Step 3: Cross multiply
    3,615.08x = 5,422.79 × 1,018.22
  4. Step 4: Simplify right side
    3,615.08x = 5,521,568.67
  5. Step 5: Solve for x
    x = 5,521,568.67/3,615.08
  6. Step 6: Final answer
    x = 1,527.37

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1.5x scale

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.