Home / 2,146.41-3,220.47-848.79

Finding the Fourth Proportional to 2,146.41, 3,220.47 and 848.79

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Solution

The fourth proportional to 2,146.41, 3,220.47 and 848.79 is: 1,273.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146.41 : 3,220.47 = 848.79 : x
  2. Step 2: Convert to fraction form
    2,146.41/3,220.47 = 848.79/x
  3. Step 3: Cross multiply
    2,146.41x = 3,220.47 × 848.79
  4. Step 4: Simplify right side
    2,146.41x = 2,733,502.73
  5. Step 5: Solve for x
    x = 2,733,502.73/2,146.41
  6. Step 6: Final answer
    x = 1,273.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.