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Finding the Fourth Proportional to 2,270.45, 3,403.55 and 884.67

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Solution

The fourth proportional to 2,270.45, 3,403.55 and 884.67 is: 1,326.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270.45 : 3,403.55 = 884.67 : x
  2. Step 2: Convert to fraction form
    2,270.45/3,403.55 = 884.67/x
  3. Step 3: Cross multiply
    2,270.45x = 3,403.55 × 884.67
  4. Step 4: Simplify right side
    2,270.45x = 3,011,014.16
  5. Step 5: Solve for x
    x = 3,011,014.16/2,270.45
  6. Step 6: Final answer
    x = 1,326.18

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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.