Home / 2,338.22-3,225.64-1,393.47

Finding the Fourth Proportional to 2,338.22, 3,225.64 and 1,393.47

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Solution

The fourth proportional to 2,338.22, 3,225.64 and 1,393.47 is: 1,922.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,338.22 : 3,225.64 = 1,393.47 : x
  2. Step 2: Convert to fraction form
    2,338.22/3,225.64 = 1,393.47/x
  3. Step 3: Cross multiply
    2,338.22x = 3,225.64 × 1,393.47
  4. Step 4: Simplify right side
    2,338.22x = 4,494,831.70
  5. Step 5: Solve for x
    x = 4,494,831.70/2,338.22
  6. Step 6: Final answer
    x = 1,922.33

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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.