Home / 2,307.11-3,461.68-1,211.22

Finding the Fourth Proportional to 2,307.11, 3,461.68 and 1,211.22

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Solution

The fourth proportional to 2,307.11, 3,461.68 and 1,211.22 is: 1,817.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,307.11 : 3,461.68 = 1,211.22 : x
  2. Step 2: Convert to fraction form
    2,307.11/3,461.68 = 1,211.22/x
  3. Step 3: Cross multiply
    2,307.11x = 3,461.68 × 1,211.22
  4. Step 4: Simplify right side
    2,307.11x = 4,192,856.05
  5. Step 5: Solve for x
    x = 4,192,856.05/2,307.11
  6. Step 6: Final answer
    x = 1,817.36

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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.