Home / 2,954.07-4,429.98-979.32

Finding the Fourth Proportional to 2,954.07, 4,429.98 and 979.32

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Solution

The fourth proportional to 2,954.07, 4,429.98 and 979.32 is: 1,468.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,954.07 : 4,429.98 = 979.32 : x
  2. Step 2: Convert to fraction form
    2,954.07/4,429.98 = 979.32/x
  3. Step 3: Cross multiply
    2,954.07x = 4,429.98 × 979.32
  4. Step 4: Simplify right side
    2,954.07x = 4,338,368.01
  5. Step 5: Solve for x
    x = 4,338,368.01/2,954.07
  6. Step 6: Final answer
    x = 1,468.61

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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.