Home / 2,808.08-4,210.50-1,639.52

Finding the Fourth Proportional to 2,808.08, 4,210.50 and 1,639.52

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Solution

The fourth proportional to 2,808.08, 4,210.50 and 1,639.52 is: 2,458.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808.08 : 4,210.50 = 1,639.52 : x
  2. Step 2: Convert to fraction form
    2,808.08/4,210.50 = 1,639.52/x
  3. Step 3: Cross multiply
    2,808.08x = 4,210.50 × 1,639.52
  4. Step 4: Simplify right side
    2,808.08x = 6,903,198.96
  5. Step 5: Solve for x
    x = 6,903,198.96/2,808.08
  6. Step 6: Final answer
    x = 2,458.33

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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.