Home / 2,440.90-3,369.04-1,393.56

Finding the Fourth Proportional to 2,440.90, 3,369.04 and 1,393.56

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Solution

The fourth proportional to 2,440.90, 3,369.04 and 1,393.56 is: 1,923.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,440.90 : 3,369.04 = 1,393.56 : x
  2. Step 2: Convert to fraction form
    2,440.90/3,369.04 = 1,393.56/x
  3. Step 3: Cross multiply
    2,440.90x = 3,369.04 × 1,393.56
  4. Step 4: Simplify right side
    2,440.90x = 4,694,959.38
  5. Step 5: Solve for x
    x = 4,694,959.38/2,440.90
  6. Step 6: Final answer
    x = 1,923.45

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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.