Home / 1,416.62-2,123.78-1,069.26

Finding the Fourth Proportional to 1,416.62, 2,123.78 and 1,069.26

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Solution

The fourth proportional to 1,416.62, 2,123.78 and 1,069.26 is: 1,603.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416.62 : 2,123.78 = 1,069.26 : x
  2. Step 2: Convert to fraction form
    1,416.62/2,123.78 = 1,069.26/x
  3. Step 3: Cross multiply
    1,416.62x = 2,123.78 × 1,069.26
  4. Step 4: Simplify right side
    1,416.62x = 2,270,867.66
  5. Step 5: Solve for x
    x = 2,270,867.66/1,416.62
  6. Step 6: Final answer
    x = 1,603.02

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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.