Home / 2,617.26-3,918.60-1,794.30

Finding the Fourth Proportional to 2,617.26, 3,918.60 and 1,794.30

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Solution

The fourth proportional to 2,617.26, 3,918.60 and 1,794.30 is: 2,686.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617.26 : 3,918.60 = 1,794.30 : x
  2. Step 2: Convert to fraction form
    2,617.26/3,918.60 = 1,794.30/x
  3. Step 3: Cross multiply
    2,617.26x = 3,918.60 × 1,794.30
  4. Step 4: Simplify right side
    2,617.26x = 7,031,143.98
  5. Step 5: Solve for x
    x = 7,031,143.98/2,617.26
  6. Step 6: Final answer
    x = 2,686.45

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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.