Home / 2,146.81-3,220.22-848.28

Finding the Fourth Proportional to 2,146.81, 3,220.22 and 848.28

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Solution

The fourth proportional to 2,146.81, 3,220.22 and 848.28 is: 1,272.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146.81 : 3,220.22 = 848.28 : x
  2. Step 2: Convert to fraction form
    2,146.81/3,220.22 = 848.28/x
  3. Step 3: Cross multiply
    2,146.81x = 3,220.22 × 848.28
  4. Step 4: Simplify right side
    2,146.81x = 2,731,648.22
  5. Step 5: Solve for x
    x = 2,731,648.22/2,146.81
  6. Step 6: Final answer
    x = 1,272.42

Related Problems

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Double scale
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Similar ratio
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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.