Home / 1,450.71-2,176.08-1,019.79

Finding the Fourth Proportional to 1,450.71, 2,176.08 and 1,019.79

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Solution

The fourth proportional to 1,450.71, 2,176.08 and 1,019.79 is: 1,529.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450.71 : 2,176.08 = 1,019.79 : x
  2. Step 2: Convert to fraction form
    1,450.71/2,176.08 = 1,019.79/x
  3. Step 3: Cross multiply
    1,450.71x = 2,176.08 × 1,019.79
  4. Step 4: Simplify right side
    1,450.71x = 2,219,144.62
  5. Step 5: Solve for x
    x = 2,219,144.62/1,450.71
  6. Step 6: Final answer
    x = 1,529.70

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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.