Home / 3,696.84-5,547.68-2,116.12

Finding the Fourth Proportional to 3,696.84, 5,547.68 and 2,116.12

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Solution

The fourth proportional to 3,696.84, 5,547.68 and 2,116.12 is: 3,175.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,696.84 : 5,547.68 = 2,116.12 : x
  2. Step 2: Convert to fraction form
    3,696.84/5,547.68 = 2,116.12/x
  3. Step 3: Cross multiply
    3,696.84x = 5,547.68 × 2,116.12
  4. Step 4: Simplify right side
    3,696.84x = 11,739,556.60
  5. Step 5: Solve for x
    x = 11,739,556.60/3,696.84
  6. Step 6: Final answer
    x = 3,175.57

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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.