Home / 2,989.62-4,478.28-1,754.06

Finding the Fourth Proportional to 2,989.62, 4,478.28 and 1,754.06

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Solution

The fourth proportional to 2,989.62, 4,478.28 and 1,754.06 is: 2,627.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989.62 : 4,478.28 = 1,754.06 : x
  2. Step 2: Convert to fraction form
    2,989.62/4,478.28 = 1,754.06/x
  3. Step 3: Cross multiply
    2,989.62x = 4,478.28 × 1,754.06
  4. Step 4: Simplify right side
    2,989.62x = 7,855,147.78
  5. Step 5: Solve for x
    x = 7,855,147.78/2,989.62
  6. Step 6: Final answer
    x = 2,627.48

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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.