Home / 3,513.21-4,870.43-3,325.95

Finding the Fourth Proportional to 3,513.21, 4,870.43 and 3,325.95

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Solution

The fourth proportional to 3,513.21, 4,870.43 and 3,325.95 is: 4,610.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.21 : 4,870.43 = 3,325.95 : x
  2. Step 2: Convert to fraction form
    3,513.21/4,870.43 = 3,325.95/x
  3. Step 3: Cross multiply
    3,513.21x = 4,870.43 × 3,325.95
  4. Step 4: Simplify right side
    3,513.21x = 16,198,790.03
  5. Step 5: Solve for x
    x = 16,198,790.03/3,513.21
  6. Step 6: Final answer
    x = 4,610.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.