Home / 3,222.50-4,447.23-1,825.70

Finding the Fourth Proportional to 3,222.50, 4,447.23 and 1,825.70

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Solution

The fourth proportional to 3,222.50, 4,447.23 and 1,825.70 is: 2,519.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222.50 : 4,447.23 = 1,825.70 : x
  2. Step 2: Convert to fraction form
    3,222.50/4,447.23 = 1,825.70/x
  3. Step 3: Cross multiply
    3,222.50x = 4,447.23 × 1,825.70
  4. Step 4: Simplify right side
    3,222.50x = 8,119,307.81
  5. Step 5: Solve for x
    x = 8,119,307.81/3,222.50
  6. Step 6: Final answer
    x = 2,519.57

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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.