Home / 3,211.07-4,816.91-1,262.81

Finding the Fourth Proportional to 3,211.07, 4,816.91 and 1,262.81

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Solution

The fourth proportional to 3,211.07, 4,816.91 and 1,262.81 is: 1,894.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211.07 : 4,816.91 = 1,262.81 : x
  2. Step 2: Convert to fraction form
    3,211.07/4,816.91 = 1,262.81/x
  3. Step 3: Cross multiply
    3,211.07x = 4,816.91 × 1,262.81
  4. Step 4: Simplify right side
    3,211.07x = 6,082,857.32
  5. Step 5: Solve for x
    x = 6,082,857.32/3,211.07
  6. Step 6: Final answer
    x = 1,894.34

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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.