Home / 1,712.99-2,568.27-1,392.23

Finding the Fourth Proportional to 1,712.99, 2,568.27 and 1,392.23

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Solution

The fourth proportional to 1,712.99, 2,568.27 and 1,392.23 is: 2,087.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712.99 : 2,568.27 = 1,392.23 : x
  2. Step 2: Convert to fraction form
    1,712.99/2,568.27 = 1,392.23/x
  3. Step 3: Cross multiply
    1,712.99x = 2,568.27 × 1,392.23
  4. Step 4: Simplify right side
    1,712.99x = 3,575,622.54
  5. Step 5: Solve for x
    x = 3,575,622.54/1,712.99
  6. Step 6: Final answer
    x = 2,087.36

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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.