Home / 1,738.24-2,392.14-1,399.48

Finding the Fourth Proportional to 1,738.24, 2,392.14 and 1,399.48

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Solution

The fourth proportional to 1,738.24, 2,392.14 and 1,399.48 is: 1,925.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738.24 : 2,392.14 = 1,399.48 : x
  2. Step 2: Convert to fraction form
    1,738.24/2,392.14 = 1,399.48/x
  3. Step 3: Cross multiply
    1,738.24x = 2,392.14 × 1,399.48
  4. Step 4: Simplify right side
    1,738.24x = 3,347,752.09
  5. Step 5: Solve for x
    x = 3,347,752.09/1,738.24
  6. Step 6: Final answer
    x = 1,925.94

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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.