Home / 3,280.71-4,527.39-1,788.66

Finding the Fourth Proportional to 3,280.71, 4,527.39 and 1,788.66

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Solution

The fourth proportional to 3,280.71, 4,527.39 and 1,788.66 is: 2,468.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.71 : 4,527.39 = 1,788.66 : x
  2. Step 2: Convert to fraction form
    3,280.71/4,527.39 = 1,788.66/x
  3. Step 3: Cross multiply
    3,280.71x = 4,527.39 × 1,788.66
  4. Step 4: Simplify right side
    3,280.71x = 8,097,939.72
  5. Step 5: Solve for x
    x = 8,097,939.72/3,280.71
  6. Step 6: Final answer
    x = 2,468.35

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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.