Home / 3,211.16-4,813.66-1,018.38

Finding the Fourth Proportional to 3,211.16, 4,813.66 and 1,018.38

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Solution

The fourth proportional to 3,211.16, 4,813.66 and 1,018.38 is: 1,526.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211.16 : 4,813.66 = 1,018.38 : x
  2. Step 2: Convert to fraction form
    3,211.16/4,813.66 = 1,018.38/x
  3. Step 3: Cross multiply
    3,211.16x = 4,813.66 × 1,018.38
  4. Step 4: Simplify right side
    3,211.16x = 4,902,135.07
  5. Step 5: Solve for x
    x = 4,902,135.07/3,211.16
  6. Step 6: Final answer
    x = 1,526.59

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1.5x scale

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.