Home / 3,005.45-4,145.94-1,884.27

Finding the Fourth Proportional to 3,005.45, 4,145.94 and 1,884.27

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Solution

The fourth proportional to 3,005.45, 4,145.94 and 1,884.27 is: 2,599.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005.45 : 4,145.94 = 1,884.27 : x
  2. Step 2: Convert to fraction form
    3,005.45/4,145.94 = 1,884.27/x
  3. Step 3: Cross multiply
    3,005.45x = 4,145.94 × 1,884.27
  4. Step 4: Simplify right side
    3,005.45x = 7,812,070.36
  5. Step 5: Solve for x
    x = 7,812,070.36/3,005.45
  6. Step 6: Final answer
    x = 2,599.31

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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.