Home / 3,280.93-4,527.70-1,788.87

Finding the Fourth Proportional to 3,280.93, 4,527.70 and 1,788.87

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Solution

The fourth proportional to 3,280.93, 4,527.70 and 1,788.87 is: 2,468.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.93 : 4,527.70 = 1,788.87 : x
  2. Step 2: Convert to fraction form
    3,280.93/4,527.70 = 1,788.87/x
  3. Step 3: Cross multiply
    3,280.93x = 4,527.70 × 1,788.87
  4. Step 4: Simplify right side
    3,280.93x = 8,099,476.53
  5. Step 5: Solve for x
    x = 8,099,476.53/3,280.93
  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.