Home / 3,378.47-4,661.46-2,052.14

Finding the Fourth Proportional to 3,378.47, 4,661.46 and 2,052.14

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Solution

The fourth proportional to 3,378.47, 4,661.46 and 2,052.14 is: 2,831.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378.47 : 4,661.46 = 2,052.14 : x
  2. Step 2: Convert to fraction form
    3,378.47/4,661.46 = 2,052.14/x
  3. Step 3: Cross multiply
    3,378.47x = 4,661.46 × 2,052.14
  4. Step 4: Simplify right side
    3,378.47x = 9,565,945.22
  5. Step 5: Solve for x
    x = 9,565,945.22/3,378.47
  6. Step 6: Final answer
    x = 2,831.45

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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.