Home / 3,859.14-5,326.52-2,740.43

Finding the Fourth Proportional to 3,859.14, 5,326.52 and 2,740.43

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Solution

The fourth proportional to 3,859.14, 5,326.52 and 2,740.43 is: 3,782.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,859.14 : 5,326.52 = 2,740.43 : x
  2. Step 2: Convert to fraction form
    3,859.14/5,326.52 = 2,740.43/x
  3. Step 3: Cross multiply
    3,859.14x = 5,326.52 × 2,740.43
  4. Step 4: Simplify right side
    3,859.14x = 14,596,914.87
  5. Step 5: Solve for x
    x = 14,596,914.87/3,859.14
  6. Step 6: Final answer
    x = 3,782.43

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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.