Home / 2,831.80-4,244.43-1,075.69

Finding the Fourth Proportional to 2,831.80, 4,244.43 and 1,075.69

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Solution

The fourth proportional to 2,831.80, 4,244.43 and 1,075.69 is: 1,612.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,831.80 : 4,244.43 = 1,075.69 : x
  2. Step 2: Convert to fraction form
    2,831.80/4,244.43 = 1,075.69/x
  3. Step 3: Cross multiply
    2,831.80x = 4,244.43 × 1,075.69
  4. Step 4: Simplify right side
    2,831.80x = 4,565,690.91
  5. Step 5: Solve for x
    x = 4,565,690.91/2,831.80
  6. Step 6: Final answer
    x = 1,612.29

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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.