Home / 3,307.06-4,563.70-1,815

Finding the Fourth Proportional to 3,307.06, 4,563.70 and 1,815

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Solution

The fourth proportional to 3,307.06, 4,563.70 and 1,815 is: 2,504.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,307.06 : 4,563.70 = 1,815 : x
  2. Step 2: Convert to fraction form
    3,307.06/4,563.70 = 1,815/x
  3. Step 3: Cross multiply
    3,307.06x = 4,563.70 × 1,815
  4. Step 4: Simplify right side
    3,307.06x = 8,283,115.50
  5. Step 5: Solve for x
    x = 8,283,115.50/3,307.06
  6. Step 6: Final answer
    x = 2,504.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.