Home / 3,617.78-5,427.06-1,152.02

Finding the Fourth Proportional to 3,617.78, 5,427.06 and 1,152.02

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Solution

The fourth proportional to 3,617.78, 5,427.06 and 1,152.02 is: 1,728.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.78 : 5,427.06 = 1,152.02 : x
  2. Step 2: Convert to fraction form
    3,617.78/5,427.06 = 1,152.02/x
  3. Step 3: Cross multiply
    3,617.78x = 5,427.06 × 1,152.02
  4. Step 4: Simplify right side
    3,617.78x = 6,252,095.23
  5. Step 5: Solve for x
    x = 6,252,095.23/3,617.78
  6. Step 6: Final answer
    x = 1,728.16

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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.