Home / 3,740.63-5,162.09-2,147.34

Finding the Fourth Proportional to 3,740.63, 5,162.09 and 2,147.34

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Solution

The fourth proportional to 3,740.63, 5,162.09 and 2,147.34 is: 2,963.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740.63 : 5,162.09 = 2,147.34 : x
  2. Step 2: Convert to fraction form
    3,740.63/5,162.09 = 2,147.34/x
  3. Step 3: Cross multiply
    3,740.63x = 5,162.09 × 2,147.34
  4. Step 4: Simplify right side
    3,740.63x = 11,084,751.60
  5. Step 5: Solve for x
    x = 11,084,751.60/3,740.63
  6. Step 6: Final answer
    x = 2,963.34

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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.