Home / 3,095.28-4,270.05-2,255.67

Finding the Fourth Proportional to 3,095.28, 4,270.05 and 2,255.67

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Solution

The fourth proportional to 3,095.28, 4,270.05 and 2,255.67 is: 3,111.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,095.28 : 4,270.05 = 2,255.67 : x
  2. Step 2: Convert to fraction form
    3,095.28/4,270.05 = 2,255.67/x
  3. Step 3: Cross multiply
    3,095.28x = 4,270.05 × 2,255.67
  4. Step 4: Simplify right side
    3,095.28x = 9,631,823.68
  5. Step 5: Solve for x
    x = 9,631,823.68/3,095.28
  6. Step 6: Final answer
    x = 3,111.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.