Home / 3,010.05-4,515.16-818.82

Finding the Fourth Proportional to 3,010.05, 4,515.16 and 818.82

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Solution

The fourth proportional to 3,010.05, 4,515.16 and 818.82 is: 1,228.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,010.05 : 4,515.16 = 818.82 : x
  2. Step 2: Convert to fraction form
    3,010.05/4,515.16 = 818.82/x
  3. Step 3: Cross multiply
    3,010.05x = 4,515.16 × 818.82
  4. Step 4: Simplify right side
    3,010.05x = 3,697,099.22
  5. Step 5: Solve for x
    x = 3,697,099.22/3,010.05
  6. Step 6: Final answer
    x = 1,228.25

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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.