Home / 2,052.18-2,831.49-1,212.84

Finding the Fourth Proportional to 2,052.18, 2,831.49 and 1,212.84

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Solution

The fourth proportional to 2,052.18, 2,831.49 and 1,212.84 is: 1,673.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,052.18 : 2,831.49 = 1,212.84 : x
  2. Step 2: Convert to fraction form
    2,052.18/2,831.49 = 1,212.84/x
  3. Step 3: Cross multiply
    2,052.18x = 2,831.49 × 1,212.84
  4. Step 4: Simplify right side
    2,052.18x = 3,434,144.33
  5. Step 5: Solve for x
    x = 3,434,144.33/2,052.18
  6. Step 6: Final answer
    x = 1,673.41

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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.