Home / 2,440.88-3,369.02-1,393.55

Finding the Fourth Proportional to 2,440.88, 3,369.02 and 1,393.55

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Solution

The fourth proportional to 2,440.88, 3,369.02 and 1,393.55 is: 1,923.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,440.88 : 3,369.02 = 1,393.55 : x
  2. Step 2: Convert to fraction form
    2,440.88/3,369.02 = 1,393.55/x
  3. Step 3: Cross multiply
    2,440.88x = 3,369.02 × 1,393.55
  4. Step 4: Simplify right side
    2,440.88x = 4,694,874.01
  5. Step 5: Solve for x
    x = 4,694,874.01/2,440.88
  6. Step 6: Final answer
    x = 1,923.44

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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.