Home / 2,792.81-4,190.03-1,333.19

Finding the Fourth Proportional to 2,792.81, 4,190.03 and 1,333.19

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Solution

The fourth proportional to 2,792.81, 4,190.03 and 1,333.19 is: 2,000.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792.81 : 4,190.03 = 1,333.19 : x
  2. Step 2: Convert to fraction form
    2,792.81/4,190.03 = 1,333.19/x
  3. Step 3: Cross multiply
    2,792.81x = 4,190.03 × 1,333.19
  4. Step 4: Simplify right side
    2,792.81x = 5,586,106.10
  5. Step 5: Solve for x
    x = 5,586,106.10/2,792.81
  6. Step 6: Final answer
    x = 2,000.17

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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.