Home / 2,440.75-3,368.27-1,392.91

Finding the Fourth Proportional to 2,440.75, 3,368.27 and 1,392.91

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Solution

The fourth proportional to 2,440.75, 3,368.27 and 1,392.91 is: 1,922.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,440.75 : 3,368.27 = 1,392.91 : x
  2. Step 2: Convert to fraction form
    2,440.75/3,368.27 = 1,392.91/x
  3. Step 3: Cross multiply
    2,440.75x = 3,368.27 × 1,392.91
  4. Step 4: Simplify right side
    2,440.75x = 4,691,696.97
  5. Step 5: Solve for x
    x = 4,691,696.97/2,440.75
  6. Step 6: Final answer
    x = 1,922.24

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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.