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Finding the Fourth Proportional to 3,323.72, 4,588.70 and 2,954.70

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Solution

The fourth proportional to 3,323.72, 4,588.70 and 2,954.70 is: 4,079.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,323.72 : 4,588.70 = 2,954.70 : x
  2. Step 2: Convert to fraction form
    3,323.72/4,588.70 = 2,954.70/x
  3. Step 3: Cross multiply
    3,323.72x = 4,588.70 × 2,954.70
  4. Step 4: Simplify right side
    3,323.72x = 13,558,231.89
  5. Step 5: Solve for x
    x = 13,558,231.89/3,323.72
  6. Step 6: Final answer
    x = 4,079.23

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1.5x scale

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.