Home / 3,280.03-4,526.43-1,787.86

Finding the Fourth Proportional to 3,280.03, 4,526.43 and 1,787.86

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Solution

The fourth proportional to 3,280.03, 4,526.43 and 1,787.86 is: 2,467.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.03 : 4,526.43 = 1,787.86 : x
  2. Step 2: Convert to fraction form
    3,280.03/4,526.43 = 1,787.86/x
  3. Step 3: Cross multiply
    3,280.03x = 4,526.43 × 1,787.86
  4. Step 4: Simplify right side
    3,280.03x = 8,092,623.14
  5. Step 5: Solve for x
    x = 8,092,623.14/3,280.03
  6. Step 6: Final answer
    x = 2,467.24

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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.