Home / 2,059.45-2,841.60-1,220.42

Finding the Fourth Proportional to 2,059.45, 2,841.60 and 1,220.42

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Solution

The fourth proportional to 2,059.45, 2,841.60 and 1,220.42 is: 1,683.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,059.45 : 2,841.60 = 1,220.42 : x
  2. Step 2: Convert to fraction form
    2,059.45/2,841.60 = 1,220.42/x
  3. Step 3: Cross multiply
    2,059.45x = 2,841.60 × 1,220.42
  4. Step 4: Simplify right side
    2,059.45x = 3,467,945.47
  5. Step 5: Solve for x
    x = 3,467,945.47/2,059.45
  6. Step 6: Final answer
    x = 1,683.92

Related Problems

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Half scale
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Double scale
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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.