Home / 3,016.87-4,525.31-1,831.21

Finding the Fourth Proportional to 3,016.87, 4,525.31 and 1,831.21

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Solution

The fourth proportional to 3,016.87, 4,525.31 and 1,831.21 is: 2,746.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,016.87 : 4,525.31 = 1,831.21 : x
  2. Step 2: Convert to fraction form
    3,016.87/4,525.31 = 1,831.21/x
  3. Step 3: Cross multiply
    3,016.87x = 4,525.31 × 1,831.21
  4. Step 4: Simplify right side
    3,016.87x = 8,286,786.19
  5. Step 5: Solve for x
    x = 8,286,786.19/3,016.87
  6. Step 6: Final answer
    x = 2,746.82

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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.