Home / 3,627.04-5,440.56-1,318

Finding the Fourth Proportional to 3,627.04, 5,440.56 and 1,318

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Solution

The fourth proportional to 3,627.04, 5,440.56 and 1,318 is: 1,977

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,627.04 : 5,440.56 = 1,318 : x
  2. Step 2: Convert to fraction form
    3,627.04/5,440.56 = 1,318/x
  3. Step 3: Cross multiply
    3,627.04x = 5,440.56 × 1,318
  4. Step 4: Simplify right side
    3,627.04x = 7,170,658.08
  5. Step 5: Solve for x
    x = 7,170,658.08/3,627.04
  6. Step 6: Final answer
    x = 1,977

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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.