Home / 3,280.09-4,526.53-1,787.98

Finding the Fourth Proportional to 3,280.09, 4,526.53 and 1,787.98

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Solution

The fourth proportional to 3,280.09, 4,526.53 and 1,787.98 is: 2,467.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.09 : 4,526.53 = 1,787.98 : x
  2. Step 2: Convert to fraction form
    3,280.09/4,526.53 = 1,787.98/x
  3. Step 3: Cross multiply
    3,280.09x = 4,526.53 × 1,787.98
  4. Step 4: Simplify right side
    3,280.09x = 8,093,329.32
  5. Step 5: Solve for x
    x = 8,093,329.32/3,280.09
  6. Step 6: Final answer
    x = 2,467.41

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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.