Home / 3,071.60-4,603.95-1,222.22

Finding the Fourth Proportional to 3,071.60, 4,603.95 and 1,222.22

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Solution

The fourth proportional to 3,071.60, 4,603.95 and 1,222.22 is: 1,831.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071.60 : 4,603.95 = 1,222.22 : x
  2. Step 2: Convert to fraction form
    3,071.60/4,603.95 = 1,222.22/x
  3. Step 3: Cross multiply
    3,071.60x = 4,603.95 × 1,222.22
  4. Step 4: Simplify right side
    3,071.60x = 5,627,016.75
  5. Step 5: Solve for x
    x = 5,627,016.75/3,071.60
  6. Step 6: Final answer
    x = 1,831.95

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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.