Home / 2,941.78-4,059.60-1,615.48

Finding the Fourth Proportional to 2,941.78, 4,059.60 and 1,615.48

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Solution

The fourth proportional to 2,941.78, 4,059.60 and 1,615.48 is: 2,229.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,941.78 : 4,059.60 = 1,615.48 : x
  2. Step 2: Convert to fraction form
    2,941.78/4,059.60 = 1,615.48/x
  3. Step 3: Cross multiply
    2,941.78x = 4,059.60 × 1,615.48
  4. Step 4: Simplify right side
    2,941.78x = 6,558,202.61
  5. Step 5: Solve for x
    x = 6,558,202.61/2,941.78
  6. Step 6: Final answer
    x = 2,229.33

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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.