Home / 3,023.63-4,171.55-1,904.66

Finding the Fourth Proportional to 3,023.63, 4,171.55 and 1,904.66

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Solution

The fourth proportional to 3,023.63, 4,171.55 and 1,904.66 is: 2,627.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,023.63 : 4,171.55 = 1,904.66 : x
  2. Step 2: Convert to fraction form
    3,023.63/4,171.55 = 1,904.66/x
  3. Step 3: Cross multiply
    3,023.63x = 4,171.55 × 1,904.66
  4. Step 4: Simplify right side
    3,023.63x = 7,945,374.90
  5. Step 5: Solve for x
    x = 7,945,374.90/3,023.63
  6. Step 6: Final answer
    x = 2,627.76

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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.