Home / 3,023.87-4,171.89-1,904.91

Finding the Fourth Proportional to 3,023.87, 4,171.89 and 1,904.91

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Solution

The fourth proportional to 3,023.87, 4,171.89 and 1,904.91 is: 2,628.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,023.87 : 4,171.89 = 1,904.91 : x
  2. Step 2: Convert to fraction form
    3,023.87/4,171.89 = 1,904.91/x
  3. Step 3: Cross multiply
    3,023.87x = 4,171.89 × 1,904.91
  4. Step 4: Simplify right side
    3,023.87x = 7,947,074.98
  5. Step 5: Solve for x
    x = 7,947,074.98/3,023.87
  6. Step 6: Final answer
    x = 2,628.11

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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.