Home / 3,185.51-4,396.50-1,859.99

Finding the Fourth Proportional to 3,185.51, 4,396.50 and 1,859.99

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Solution

The fourth proportional to 3,185.51, 4,396.50 and 1,859.99 is: 2,567.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185.51 : 4,396.50 = 1,859.99 : x
  2. Step 2: Convert to fraction form
    3,185.51/4,396.50 = 1,859.99/x
  3. Step 3: Cross multiply
    3,185.51x = 4,396.50 × 1,859.99
  4. Step 4: Simplify right side
    3,185.51x = 8,177,424.05
  5. Step 5: Solve for x
    x = 8,177,424.05/3,185.51
  6. Step 6: Final answer
    x = 2,567.07

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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.