Home / 2,205.70-3,307.40-1,034.76

Finding the Fourth Proportional to 2,205.70, 3,307.40 and 1,034.76

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Solution

The fourth proportional to 2,205.70, 3,307.40 and 1,034.76 is: 1,551.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205.70 : 3,307.40 = 1,034.76 : x
  2. Step 2: Convert to fraction form
    2,205.70/3,307.40 = 1,034.76/x
  3. Step 3: Cross multiply
    2,205.70x = 3,307.40 × 1,034.76
  4. Step 4: Simplify right side
    2,205.70x = 3,422,365.22
  5. Step 5: Solve for x
    x = 3,422,365.22/2,205.70
  6. Step 6: Final answer
    x = 1,551.60

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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.