Home / 3,228.48-4,455.44-1,831.36

Finding the Fourth Proportional to 3,228.48, 4,455.44 and 1,831.36

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Solution

The fourth proportional to 3,228.48, 4,455.44 and 1,831.36 is: 2,527.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.48 : 4,455.44 = 1,831.36 : x
  2. Step 2: Convert to fraction form
    3,228.48/4,455.44 = 1,831.36/x
  3. Step 3: Cross multiply
    3,228.48x = 4,455.44 × 1,831.36
  4. Step 4: Simplify right side
    3,228.48x = 8,159,514.60
  5. Step 5: Solve for x
    x = 8,159,514.60/3,228.48
  6. Step 6: Final answer
    x = 2,527.35

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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.