Home / 3,223.22-4,447.02-1,806.71

Finding the Fourth Proportional to 3,223.22, 4,447.02 and 1,806.71

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Solution

The fourth proportional to 3,223.22, 4,447.02 and 1,806.71 is: 2,492.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,223.22 : 4,447.02 = 1,806.71 : x
  2. Step 2: Convert to fraction form
    3,223.22/4,447.02 = 1,806.71/x
  3. Step 3: Cross multiply
    3,223.22x = 4,447.02 × 1,806.71
  4. Step 4: Simplify right side
    3,223.22x = 8,034,475.50
  5. Step 5: Solve for x
    x = 8,034,475.50/3,223.22
  6. Step 6: Final answer
    x = 2,492.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.