Home / 1,845.69-2,766.75-675.37

Finding the Fourth Proportional to 1,845.69, 2,766.75 and 675.37

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Solution

The fourth proportional to 1,845.69, 2,766.75 and 675.37 is: 1,012.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845.69 : 2,766.75 = 675.37 : x
  2. Step 2: Convert to fraction form
    1,845.69/2,766.75 = 675.37/x
  3. Step 3: Cross multiply
    1,845.69x = 2,766.75 × 675.37
  4. Step 4: Simplify right side
    1,845.69x = 1,868,579.95
  5. Step 5: Solve for x
    x = 1,868,579.95/1,845.69
  6. Step 6: Final answer
    x = 1,012.40

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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.