Home / 1,759.23-2,438.87-1,665.60

Finding the Fourth Proportional to 1,759.23, 2,438.87 and 1,665.60

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Solution

The fourth proportional to 1,759.23, 2,438.87 and 1,665.60 is: 2,309.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759.23 : 2,438.87 = 1,665.60 : x
  2. Step 2: Convert to fraction form
    1,759.23/2,438.87 = 1,665.60/x
  3. Step 3: Cross multiply
    1,759.23x = 2,438.87 × 1,665.60
  4. Step 4: Simplify right side
    1,759.23x = 4,062,173.54
  5. Step 5: Solve for x
    x = 4,062,173.54/1,759.23
  6. Step 6: Final answer
    x = 2,309.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.