Home / 3,280.05-4,526.49-1,788

Finding the Fourth Proportional to 3,280.05, 4,526.49 and 1,788

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Solution

The fourth proportional to 3,280.05, 4,526.49 and 1,788 is: 2,467.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.05 : 4,526.49 = 1,788 : x
  2. Step 2: Convert to fraction form
    3,280.05/4,526.49 = 1,788/x
  3. Step 3: Cross multiply
    3,280.05x = 4,526.49 × 1,788
  4. Step 4: Simplify right side
    3,280.05x = 8,093,364.12
  5. Step 5: Solve for x
    x = 8,093,364.12/3,280.05
  6. Step 6: Final answer
    x = 2,467.45

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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.