Home / 3,618.32-5,427.63-1,021.46

Finding the Fourth Proportional to 3,618.32, 5,427.63 and 1,021.46

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Solution

The fourth proportional to 3,618.32, 5,427.63 and 1,021.46 is: 1,532.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618.32 : 5,427.63 = 1,021.46 : x
  2. Step 2: Convert to fraction form
    3,618.32/5,427.63 = 1,021.46/x
  3. Step 3: Cross multiply
    3,618.32x = 5,427.63 × 1,021.46
  4. Step 4: Simplify right side
    3,618.32x = 5,544,079.80
  5. Step 5: Solve for x
    x = 5,544,079.80/3,618.32
  6. Step 6: Final answer
    x = 1,532.23

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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.