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Finding the Fourth Proportional to 3,205.83, 4,808.74 and 897.33

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Solution

The fourth proportional to 3,205.83, 4,808.74 and 897.33 is: 1,345.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,205.83 : 4,808.74 = 897.33 : x
  2. Step 2: Convert to fraction form
    3,205.83/4,808.74 = 897.33/x
  3. Step 3: Cross multiply
    3,205.83x = 4,808.74 × 897.33
  4. Step 4: Simplify right side
    3,205.83x = 4,315,019.61
  5. Step 5: Solve for x
    x = 4,315,019.61/3,205.83
  6. Step 6: Final answer
    x = 1,345.99

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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.