Home / 2,285.56-3,405.86-2,211.14

Finding the Fourth Proportional to 2,285.56, 3,405.86 and 2,211.14

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Solution

The fourth proportional to 2,285.56, 3,405.86 and 2,211.14 is: 3,294.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,285.56 : 3,405.86 = 2,211.14 : x
  2. Step 2: Convert to fraction form
    2,285.56/3,405.86 = 2,211.14/x
  3. Step 3: Cross multiply
    2,285.56x = 3,405.86 × 2,211.14
  4. Step 4: Simplify right side
    2,285.56x = 7,530,830.74
  5. Step 5: Solve for x
    x = 7,530,830.74/2,285.56
  6. Step 6: Final answer
    x = 3,294.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.