Home / 3,010.26-4,515.37-818.99

Finding the Fourth Proportional to 3,010.26, 4,515.37 and 818.99

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Solution

The fourth proportional to 3,010.26, 4,515.37 and 818.99 is: 1,228.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,010.26 : 4,515.37 = 818.99 : x
  2. Step 2: Convert to fraction form
    3,010.26/4,515.37 = 818.99/x
  3. Step 3: Cross multiply
    3,010.26x = 4,515.37 × 818.99
  4. Step 4: Simplify right side
    3,010.26x = 3,698,024.79
  5. Step 5: Solve for x
    x = 3,698,024.79/3,010.26
  6. Step 6: Final answer
    x = 1,228.47

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1.5x scale

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.