Home / 3,280.33-4,526.79-1,788.26

Finding the Fourth Proportional to 3,280.33, 4,526.79 and 1,788.26

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Solution

The fourth proportional to 3,280.33, 4,526.79 and 1,788.26 is: 2,467.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.33 : 4,526.79 = 1,788.26 : x
  2. Step 2: Convert to fraction form
    3,280.33/4,526.79 = 1,788.26/x
  3. Step 3: Cross multiply
    3,280.33x = 4,526.79 × 1,788.26
  4. Step 4: Simplify right side
    3,280.33x = 8,095,065.39
  5. Step 5: Solve for x
    x = 8,095,065.39/3,280.33
  6. Step 6: Final answer
    x = 2,467.76

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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.