Home / 2,818.09-4,228.05-1,174.80

Finding the Fourth Proportional to 2,818.09, 4,228.05 and 1,174.80

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Solution

The fourth proportional to 2,818.09, 4,228.05 and 1,174.80 is: 1,762.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818.09 : 4,228.05 = 1,174.80 : x
  2. Step 2: Convert to fraction form
    2,818.09/4,228.05 = 1,174.80/x
  3. Step 3: Cross multiply
    2,818.09x = 4,228.05 × 1,174.80
  4. Step 4: Simplify right side
    2,818.09x = 4,967,126.79
  5. Step 5: Solve for x
    x = 4,967,126.79/2,818.09
  6. Step 6: Final answer
    x = 1,762.59

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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.