Home / 3,060.26-4,212.42-2,666.60

Finding the Fourth Proportional to 3,060.26, 4,212.42 and 2,666.60

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Solution

The fourth proportional to 3,060.26, 4,212.42 and 2,666.60 is: 3,670.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,060.26 : 4,212.42 = 2,666.60 : x
  2. Step 2: Convert to fraction form
    3,060.26/4,212.42 = 2,666.60/x
  3. Step 3: Cross multiply
    3,060.26x = 4,212.42 × 2,666.60
  4. Step 4: Simplify right side
    3,060.26x = 11,232,839.17
  5. Step 5: Solve for x
    x = 11,232,839.17/3,060.26
  6. Step 6: Final answer
    x = 3,670.55

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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.