Home / 2,146.37-3,220.16-848.75

Finding the Fourth Proportional to 2,146.37, 3,220.16 and 848.75

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Solution

The fourth proportional to 2,146.37, 3,220.16 and 848.75 is: 1,273.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146.37 : 3,220.16 = 848.75 : x
  2. Step 2: Convert to fraction form
    2,146.37/3,220.16 = 848.75/x
  3. Step 3: Cross multiply
    2,146.37x = 3,220.16 × 848.75
  4. Step 4: Simplify right side
    2,146.37x = 2,733,090.46
  5. Step 5: Solve for x
    x = 2,733,090.46/2,146.37
  6. Step 6: Final answer
    x = 1,273.36

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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.