Home / 2,929.70-4,391.58-2,696.14

Finding the Fourth Proportional to 2,929.70, 4,391.58 and 2,696.14

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Solution

The fourth proportional to 2,929.70, 4,391.58 and 2,696.14 is: 4,041.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.70 : 4,391.58 = 2,696.14 : x
  2. Step 2: Convert to fraction form
    2,929.70/4,391.58 = 2,696.14/x
  3. Step 3: Cross multiply
    2,929.70x = 4,391.58 × 2,696.14
  4. Step 4: Simplify right side
    2,929.70x = 11,840,314.50
  5. Step 5: Solve for x
    x = 11,840,314.50/2,929.70
  6. Step 6: Final answer
    x = 4,041.48

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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.