Home / 3,618.33-5,427.90-1,152.58

Finding the Fourth Proportional to 3,618.33, 5,427.90 and 1,152.58

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Solution

The fourth proportional to 3,618.33, 5,427.90 and 1,152.58 is: 1,729.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618.33 : 5,427.90 = 1,152.58 : x
  2. Step 2: Convert to fraction form
    3,618.33/5,427.90 = 1,152.58/x
  3. Step 3: Cross multiply
    3,618.33x = 5,427.90 × 1,152.58
  4. Step 4: Simplify right side
    3,618.33x = 6,256,088.98
  5. Step 5: Solve for x
    x = 6,256,088.98/3,618.33
  6. Step 6: Final answer
    x = 1,729.00

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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.