Home / 1,450.62-2,175.93-1,019.70

Finding the Fourth Proportional to 1,450.62, 2,175.93 and 1,019.70

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Solution

The fourth proportional to 1,450.62, 2,175.93 and 1,019.70 is: 1,529.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450.62 : 2,175.93 = 1,019.70 : x
  2. Step 2: Convert to fraction form
    1,450.62/2,175.93 = 1,019.70/x
  3. Step 3: Cross multiply
    1,450.62x = 2,175.93 × 1,019.70
  4. Step 4: Simplify right side
    1,450.62x = 2,218,795.82
  5. Step 5: Solve for x
    x = 2,218,795.82/1,450.62
  6. Step 6: Final answer
    x = 1,529.55

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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.