Home / 3,147.03-4,718.79-1,065.87

Finding the Fourth Proportional to 3,147.03, 4,718.79 and 1,065.87

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Solution

The fourth proportional to 3,147.03, 4,718.79 and 1,065.87 is: 1,598.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147.03 : 4,718.79 = 1,065.87 : x
  2. Step 2: Convert to fraction form
    3,147.03/4,718.79 = 1,065.87/x
  3. Step 3: Cross multiply
    3,147.03x = 4,718.79 × 1,065.87
  4. Step 4: Simplify right side
    3,147.03x = 5,029,616.70
  5. Step 5: Solve for x
    x = 5,029,616.70/3,147.03
  6. Step 6: Final answer
    x = 1,598.21

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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.