Home / 2,573.07-3,859.78-1,274.19

Finding the Fourth Proportional to 2,573.07, 3,859.78 and 1,274.19

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Solution

The fourth proportional to 2,573.07, 3,859.78 and 1,274.19 is: 1,911.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,573.07 : 3,859.78 = 1,274.19 : x
  2. Step 2: Convert to fraction form
    2,573.07/3,859.78 = 1,274.19/x
  3. Step 3: Cross multiply
    2,573.07x = 3,859.78 × 1,274.19
  4. Step 4: Simplify right side
    2,573.07x = 4,918,093.08
  5. Step 5: Solve for x
    x = 4,918,093.08/2,573.07
  6. Step 6: Final answer
    x = 1,911.37

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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.