Home / 3,280.65-4,527.29-1,788.57

Finding the Fourth Proportional to 3,280.65, 4,527.29 and 1,788.57

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Solution

The fourth proportional to 3,280.65, 4,527.29 and 1,788.57 is: 2,468.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.65 : 4,527.29 = 1,788.57 : x
  2. Step 2: Convert to fraction form
    3,280.65/4,527.29 = 1,788.57/x
  3. Step 3: Cross multiply
    3,280.65x = 4,527.29 × 1,788.57
  4. Step 4: Simplify right side
    3,280.65x = 8,097,352.44
  5. Step 5: Solve for x
    x = 8,097,352.44/3,280.65
  6. Step 6: Final answer
    x = 2,468.22

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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.