Home / 2,762.61-4,137.83-1,785.75

Finding the Fourth Proportional to 2,762.61, 4,137.83 and 1,785.75

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Solution

The fourth proportional to 2,762.61, 4,137.83 and 1,785.75 is: 2,674.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,762.61 : 4,137.83 = 1,785.75 : x
  2. Step 2: Convert to fraction form
    2,762.61/4,137.83 = 1,785.75/x
  3. Step 3: Cross multiply
    2,762.61x = 4,137.83 × 1,785.75
  4. Step 4: Simplify right side
    2,762.61x = 7,389,129.92
  5. Step 5: Solve for x
    x = 7,389,129.92/2,762.61
  6. Step 6: Final answer
    x = 2,674.69

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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.