Home / 3,622.15-5,429.98-1,888.75

Finding the Fourth Proportional to 3,622.15, 5,429.98 and 1,888.75

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Solution

The fourth proportional to 3,622.15, 5,429.98 and 1,888.75 is: 2,831.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622.15 : 5,429.98 = 1,888.75 : x
  2. Step 2: Convert to fraction form
    3,622.15/5,429.98 = 1,888.75/x
  3. Step 3: Cross multiply
    3,622.15x = 5,429.98 × 1,888.75
  4. Step 4: Simplify right side
    3,622.15x = 10,255,874.73
  5. Step 5: Solve for x
    x = 10,255,874.73/3,622.15
  6. Step 6: Final answer
    x = 2,831.43

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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.