Home / 1,051.43-1,450.98-579.33

Finding the Fourth Proportional to 1,051.43, 1,450.98 and 579.33

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Solution

The fourth proportional to 1,051.43, 1,450.98 and 579.33 is: 799.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051.43 : 1,450.98 = 579.33 : x
  2. Step 2: Convert to fraction form
    1,051.43/1,450.98 = 579.33/x
  3. Step 3: Cross multiply
    1,051.43x = 1,450.98 × 579.33
  4. Step 4: Simplify right side
    1,051.43x = 840,596.24
  5. Step 5: Solve for x
    x = 840,596.24/1,051.43
  6. Step 6: Final answer
    x = 799.48

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.