Home / 2,660.56-3,670.86-1,612.60

Finding the Fourth Proportional to 2,660.56, 3,670.86 and 1,612.60

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Solution

The fourth proportional to 2,660.56, 3,670.86 and 1,612.60 is: 2,224.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660.56 : 3,670.86 = 1,612.60 : x
  2. Step 2: Convert to fraction form
    2,660.56/3,670.86 = 1,612.60/x
  3. Step 3: Cross multiply
    2,660.56x = 3,670.86 × 1,612.60
  4. Step 4: Simplify right side
    2,660.56x = 5,919,628.84
  5. Step 5: Solve for x
    x = 5,919,628.84/2,660.56
  6. Step 6: Final answer
    x = 2,224.96

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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.