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Finding the Fourth Proportional to 3,318.08, 4,578.93 and 1,826.10

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Solution

The fourth proportional to 3,318.08, 4,578.93 and 1,826.10 is: 2,520.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.08 : 4,578.93 = 1,826.10 : x
  2. Step 2: Convert to fraction form
    3,318.08/4,578.93 = 1,826.10/x
  3. Step 3: Cross multiply
    3,318.08x = 4,578.93 × 1,826.10
  4. Step 4: Simplify right side
    3,318.08x = 8,361,584.07
  5. Step 5: Solve for x
    x = 8,361,584.07/3,318.08
  6. Step 6: Final answer
    x = 2,520.01

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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.