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Finding the Fourth Proportional to 2,969.04, 4,096.76 and 1,709.80

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Solution

The fourth proportional to 2,969.04, 4,096.76 and 1,709.80 is: 2,359.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,969.04 : 4,096.76 = 1,709.80 : x
  2. Step 2: Convert to fraction form
    2,969.04/4,096.76 = 1,709.80/x
  3. Step 3: Cross multiply
    2,969.04x = 4,096.76 × 1,709.80
  4. Step 4: Simplify right side
    2,969.04x = 7,004,640.25
  5. Step 5: Solve for x
    x = 7,004,640.25/2,969.04
  6. Step 6: Final answer
    x = 2,359.23

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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.