Home / 3,114.54-4,288.41-2,670.66

Finding the Fourth Proportional to 3,114.54, 4,288.41 and 2,670.66

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Solution

The fourth proportional to 3,114.54, 4,288.41 and 2,670.66 is: 3,677.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114.54 : 4,288.41 = 2,670.66 : x
  2. Step 2: Convert to fraction form
    3,114.54/4,288.41 = 2,670.66/x
  3. Step 3: Cross multiply
    3,114.54x = 4,288.41 × 2,670.66
  4. Step 4: Simplify right side
    3,114.54x = 11,452,885.05
  5. Step 5: Solve for x
    x = 11,452,885.05/3,114.54
  6. Step 6: Final answer
    x = 3,677.23

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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.