Home / 2,823.36-4,235.69-1,178.99

Finding the Fourth Proportional to 2,823.36, 4,235.69 and 1,178.99

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Solution

The fourth proportional to 2,823.36, 4,235.69 and 1,178.99 is: 1,768.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,823.36 : 4,235.69 = 1,178.99 : x
  2. Step 2: Convert to fraction form
    2,823.36/4,235.69 = 1,178.99/x
  3. Step 3: Cross multiply
    2,823.36x = 4,235.69 × 1,178.99
  4. Step 4: Simplify right side
    2,823.36x = 4,993,833.81
  5. Step 5: Solve for x
    x = 4,993,833.81/2,823.36
  6. Step 6: Final answer
    x = 1,768.76

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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.