Home / 3,221.37-4,831.70-1,572.92

Finding the Fourth Proportional to 3,221.37, 4,831.70 and 1,572.92

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Solution

The fourth proportional to 3,221.37, 4,831.70 and 1,572.92 is: 2,359.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221.37 : 4,831.70 = 1,572.92 : x
  2. Step 2: Convert to fraction form
    3,221.37/4,831.70 = 1,572.92/x
  3. Step 3: Cross multiply
    3,221.37x = 4,831.70 × 1,572.92
  4. Step 4: Simplify right side
    3,221.37x = 7,599,872.51
  5. Step 5: Solve for x
    x = 7,599,872.51/3,221.37
  6. Step 6: Final answer
    x = 2,359.21

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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.