Home / 3,209.32-4,804.68-1,972.98

Finding the Fourth Proportional to 3,209.32, 4,804.68 and 1,972.98

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Solution

The fourth proportional to 3,209.32, 4,804.68 and 1,972.98 is: 2,953.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209.32 : 4,804.68 = 1,972.98 : x
  2. Step 2: Convert to fraction form
    3,209.32/4,804.68 = 1,972.98/x
  3. Step 3: Cross multiply
    3,209.32x = 4,804.68 × 1,972.98
  4. Step 4: Simplify right side
    3,209.32x = 9,479,537.55
  5. Step 5: Solve for x
    x = 9,479,537.55/3,209.32
  6. Step 6: Final answer
    x = 2,953.75

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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.