Home / 3,280.00-4,526.39-1,787.91

Finding the Fourth Proportional to 3,280.00, 4,526.39 and 1,787.91

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Solution

The fourth proportional to 3,280.00, 4,526.39 and 1,787.91 is: 2,467.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.00 : 4,526.39 = 1,787.91 : x
  2. Step 2: Convert to fraction form
    3,280.00/4,526.39 = 1,787.91/x
  3. Step 3: Cross multiply
    3,280.00x = 4,526.39 × 1,787.91
  4. Step 4: Simplify right side
    3,280.00x = 8,092,777.94
  5. Step 5: Solve for x
    x = 8,092,777.94/3,280.00
  6. Step 6: Final answer
    x = 2,467.31

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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.