Home / 3,280.96-4,527.64-1,788.91

Finding the Fourth Proportional to 3,280.96, 4,527.64 and 1,788.91

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Solution

The fourth proportional to 3,280.96, 4,527.64 and 1,788.91 is: 2,468.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.96 : 4,527.64 = 1,788.91 : x
  2. Step 2: Convert to fraction form
    3,280.96/4,527.64 = 1,788.91/x
  3. Step 3: Cross multiply
    3,280.96x = 4,527.64 × 1,788.91
  4. Step 4: Simplify right side
    3,280.96x = 8,099,540.47
  5. Step 5: Solve for x
    x = 8,099,540.47/3,280.96
  6. Step 6: Final answer
    x = 2,468.65

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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.