Home / 3,211.16-4,816.20-1,263.92

Finding the Fourth Proportional to 3,211.16, 4,816.20 and 1,263.92

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Solution

The fourth proportional to 3,211.16, 4,816.20 and 1,263.92 is: 1,895.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211.16 : 4,816.20 = 1,263.92 : x
  2. Step 2: Convert to fraction form
    3,211.16/4,816.20 = 1,263.92/x
  3. Step 3: Cross multiply
    3,211.16x = 4,816.20 × 1,263.92
  4. Step 4: Simplify right side
    3,211.16x = 6,087,291.50
  5. Step 5: Solve for x
    x = 6,087,291.50/3,211.16
  6. Step 6: Final answer
    x = 1,895.67

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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.