Home / 1,440.63-2,146.20-1,370.97

Finding the Fourth Proportional to 1,440.63, 2,146.20 and 1,370.97

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Solution

The fourth proportional to 1,440.63, 2,146.20 and 1,370.97 is: 2,042.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440.63 : 2,146.20 = 1,370.97 : x
  2. Step 2: Convert to fraction form
    1,440.63/2,146.20 = 1,370.97/x
  3. Step 3: Cross multiply
    1,440.63x = 2,146.20 × 1,370.97
  4. Step 4: Simplify right side
    1,440.63x = 2,942,375.81
  5. Step 5: Solve for x
    x = 2,942,375.81/1,440.63
  6. Step 6: Final answer
    x = 2,042.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.