Home / 3,299.50-4,950.18-1,325.74

Finding the Fourth Proportional to 3,299.50, 4,950.18 and 1,325.74

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Solution

The fourth proportional to 3,299.50, 4,950.18 and 1,325.74 is: 1,988.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,299.50 : 4,950.18 = 1,325.74 : x
  2. Step 2: Convert to fraction form
    3,299.50/4,950.18 = 1,325.74/x
  3. Step 3: Cross multiply
    3,299.50x = 4,950.18 × 1,325.74
  4. Step 4: Simplify right side
    3,299.50x = 6,562,651.63
  5. Step 5: Solve for x
    x = 6,562,651.63/3,299.50
  6. Step 6: Final answer
    x = 1,988.98

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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.