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Finding the Fourth Proportional to 3,762.84, 5,192.64 and 2,084.19

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Solution

The fourth proportional to 3,762.84, 5,192.64 and 2,084.19 is: 2,876.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,762.84 : 5,192.64 = 2,084.19 : x
  2. Step 2: Convert to fraction form
    3,762.84/5,192.64 = 2,084.19/x
  3. Step 3: Cross multiply
    3,762.84x = 5,192.64 × 2,084.19
  4. Step 4: Simplify right side
    3,762.84x = 10,822,448.36
  5. Step 5: Solve for x
    x = 10,822,448.36/3,762.84
  6. Step 6: Final answer
    x = 2,876.14

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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.