Home / 3,095.88-4,643.28-1,221.27

Finding the Fourth Proportional to 3,095.88, 4,643.28 and 1,221.27

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Solution

The fourth proportional to 3,095.88, 4,643.28 and 1,221.27 is: 1,831.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,095.88 : 4,643.28 = 1,221.27 : x
  2. Step 2: Convert to fraction form
    3,095.88/4,643.28 = 1,221.27/x
  3. Step 3: Cross multiply
    3,095.88x = 4,643.28 × 1,221.27
  4. Step 4: Simplify right side
    3,095.88x = 5,670,698.57
  5. Step 5: Solve for x
    x = 5,670,698.57/3,095.88
  6. Step 6: Final answer
    x = 1,831.69

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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.