Home / 3,078.03-4,247.01-1,751.43

Finding the Fourth Proportional to 3,078.03, 4,247.01 and 1,751.43

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Solution

The fourth proportional to 3,078.03, 4,247.01 and 1,751.43 is: 2,416.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078.03 : 4,247.01 = 1,751.43 : x
  2. Step 2: Convert to fraction form
    3,078.03/4,247.01 = 1,751.43/x
  3. Step 3: Cross multiply
    3,078.03x = 4,247.01 × 1,751.43
  4. Step 4: Simplify right side
    3,078.03x = 7,438,340.72
  5. Step 5: Solve for x
    x = 7,438,340.72/3,078.03
  6. Step 6: Final answer
    x = 2,416.59

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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.