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Finding the Fourth Proportional to 1,775.95, 2,450.96 and 1,480.71

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Solution

The fourth proportional to 1,775.95, 2,450.96 and 1,480.71 is: 2,043.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775.95 : 2,450.96 = 1,480.71 : x
  2. Step 2: Convert to fraction form
    1,775.95/2,450.96 = 1,480.71/x
  3. Step 3: Cross multiply
    1,775.95x = 2,450.96 × 1,480.71
  4. Step 4: Simplify right side
    1,775.95x = 3,629,147.64
  5. Step 5: Solve for x
    x = 3,629,147.64/1,775.95
  6. Step 6: Final answer
    x = 2,043.50

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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.