Home / 3,019.77-4,529.70-1,072.17

Finding the Fourth Proportional to 3,019.77, 4,529.70 and 1,072.17

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Solution

The fourth proportional to 3,019.77, 4,529.70 and 1,072.17 is: 1,608.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019.77 : 4,529.70 = 1,072.17 : x
  2. Step 2: Convert to fraction form
    3,019.77/4,529.70 = 1,072.17/x
  3. Step 3: Cross multiply
    3,019.77x = 4,529.70 × 1,072.17
  4. Step 4: Simplify right side
    3,019.77x = 4,856,608.45
  5. Step 5: Solve for x
    x = 4,856,608.45/3,019.77
  6. Step 6: Final answer
    x = 1,608.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.