Home / 2,119-2,923.54-1,373.54

Finding the Fourth Proportional to 2,119, 2,923.54 and 1,373.54

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Solution

The fourth proportional to 2,119, 2,923.54 and 1,373.54 is: 1,895.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119 : 2,923.54 = 1,373.54 : x
  2. Step 2: Convert to fraction form
    2,119/2,923.54 = 1,373.54/x
  3. Step 3: Cross multiply
    2,119x = 2,923.54 × 1,373.54
  4. Step 4: Simplify right side
    2,119x = 4,015,599.13
  5. Step 5: Solve for x
    x = 4,015,599.13/2,119
  6. Step 6: Final answer
    x = 1,895.04

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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.