Home / 2,709.48-4,055.58-1,782.84

Finding the Fourth Proportional to 2,709.48, 4,055.58 and 1,782.84

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Solution

The fourth proportional to 2,709.48, 4,055.58 and 1,782.84 is: 2,668.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,709.48 : 4,055.58 = 1,782.84 : x
  2. Step 2: Convert to fraction form
    2,709.48/4,055.58 = 1,782.84/x
  3. Step 3: Cross multiply
    2,709.48x = 4,055.58 × 1,782.84
  4. Step 4: Simplify right side
    2,709.48x = 7,230,450.25
  5. Step 5: Solve for x
    x = 7,230,450.25/2,709.48
  6. Step 6: Final answer
    x = 2,668.57

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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.