Home / 3,108.54-4,287.42-2,114.67

Finding the Fourth Proportional to 3,108.54, 4,287.42 and 2,114.67

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Solution

The fourth proportional to 3,108.54, 4,287.42 and 2,114.67 is: 2,916.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.54 : 4,287.42 = 2,114.67 : x
  2. Step 2: Convert to fraction form
    3,108.54/4,287.42 = 2,114.67/x
  3. Step 3: Cross multiply
    3,108.54x = 4,287.42 × 2,114.67
  4. Step 4: Simplify right side
    3,108.54x = 9,066,478.45
  5. Step 5: Solve for x
    x = 9,066,478.45/3,108.54
  6. Step 6: Final answer
    x = 2,916.64

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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.