Home / 3,220.56-4,831.25-1,245.73

Finding the Fourth Proportional to 3,220.56, 4,831.25 and 1,245.73

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Solution

The fourth proportional to 3,220.56, 4,831.25 and 1,245.73 is: 1,868.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.56 : 4,831.25 = 1,245.73 : x
  2. Step 2: Convert to fraction form
    3,220.56/4,831.25 = 1,245.73/x
  3. Step 3: Cross multiply
    3,220.56x = 4,831.25 × 1,245.73
  4. Step 4: Simplify right side
    3,220.56x = 6,018,423.81
  5. Step 5: Solve for x
    x = 6,018,423.81/3,220.56
  6. Step 6: Final answer
    x = 1,868.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.