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Finding the Fourth Proportional to 3,325.84, 4,990.23 and 1,744.18

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Solution

The fourth proportional to 3,325.84, 4,990.23 and 1,744.18 is: 2,617.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,325.84 : 4,990.23 = 1,744.18 : x
  2. Step 2: Convert to fraction form
    3,325.84/4,990.23 = 1,744.18/x
  3. Step 3: Cross multiply
    3,325.84x = 4,990.23 × 1,744.18
  4. Step 4: Simplify right side
    3,325.84x = 8,703,859.36
  5. Step 5: Solve for x
    x = 8,703,859.36/3,325.84
  6. Step 6: Final answer
    x = 2,617.04

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1.5x scale

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.