Home / 1,678.62-2,514.07-1,441.70

Finding the Fourth Proportional to 1,678.62, 2,514.07 and 1,441.70

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Solution

The fourth proportional to 1,678.62, 2,514.07 and 1,441.70 is: 2,159.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678.62 : 2,514.07 = 1,441.70 : x
  2. Step 2: Convert to fraction form
    1,678.62/2,514.07 = 1,441.70/x
  3. Step 3: Cross multiply
    1,678.62x = 2,514.07 × 1,441.70
  4. Step 4: Simplify right side
    1,678.62x = 3,624,533.38
  5. Step 5: Solve for x
    x = 3,624,533.38/1,678.62
  6. Step 6: Final answer
    x = 2,159.23

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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.