Home / 2,446.70-3,670.49-1,211.05

Finding the Fourth Proportional to 2,446.70, 3,670.49 and 1,211.05

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Solution

The fourth proportional to 2,446.70, 3,670.49 and 1,211.05 is: 1,816.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,446.70 : 3,670.49 = 1,211.05 : x
  2. Step 2: Convert to fraction form
    2,446.70/3,670.49 = 1,211.05/x
  3. Step 3: Cross multiply
    2,446.70x = 3,670.49 × 1,211.05
  4. Step 4: Simplify right side
    2,446.70x = 4,445,140.77
  5. Step 5: Solve for x
    x = 4,445,140.77/2,446.70
  6. Step 6: Final answer
    x = 1,816.79

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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.