Home / 3,213-4,811.94-2,696.32

Finding the Fourth Proportional to 3,213, 4,811.94 and 2,696.32

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Solution

The fourth proportional to 3,213, 4,811.94 and 2,696.32 is: 4,038.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213 : 4,811.94 = 2,696.32 : x
  2. Step 2: Convert to fraction form
    3,213/4,811.94 = 2,696.32/x
  3. Step 3: Cross multiply
    3,213x = 4,811.94 × 2,696.32
  4. Step 4: Simplify right side
    3,213x = 12,974,536.08
  5. Step 5: Solve for x
    x = 12,974,536.08/3,213
  6. Step 6: Final answer
    x = 4,038.14

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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.