Home / 2,831.80-4,243.59-1,596.58

Finding the Fourth Proportional to 2,831.80, 4,243.59 and 1,596.58

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Solution

The fourth proportional to 2,831.80, 4,243.59 and 1,596.58 is: 2,392.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,831.80 : 4,243.59 = 1,596.58 : x
  2. Step 2: Convert to fraction form
    2,831.80/4,243.59 = 1,596.58/x
  3. Step 3: Cross multiply
    2,831.80x = 4,243.59 × 1,596.58
  4. Step 4: Simplify right side
    2,831.80x = 6,775,215.69
  5. Step 5: Solve for x
    x = 6,775,215.69/2,831.80
  6. Step 6: Final answer
    x = 2,392.55

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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.