Home / 2,831.47-4,246.61-1,075.85

Finding the Fourth Proportional to 2,831.47, 4,246.61 and 1,075.85

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Solution

The fourth proportional to 2,831.47, 4,246.61 and 1,075.85 is: 1,613.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,831.47 : 4,246.61 = 1,075.85 : x
  2. Step 2: Convert to fraction form
    2,831.47/4,246.61 = 1,075.85/x
  3. Step 3: Cross multiply
    2,831.47x = 4,246.61 × 1,075.85
  4. Step 4: Simplify right side
    2,831.47x = 4,568,734.62
  5. Step 5: Solve for x
    x = 4,568,734.62/2,831.47
  6. Step 6: Final answer
    x = 1,613.55

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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.