Home / 3,280.94-4,527.54-1,864.44

Finding the Fourth Proportional to 3,280.94, 4,527.54 and 1,864.44

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Solution

The fourth proportional to 3,280.94, 4,527.54 and 1,864.44 is: 2,572.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.94 : 4,527.54 = 1,864.44 : x
  2. Step 2: Convert to fraction form
    3,280.94/4,527.54 = 1,864.44/x
  3. Step 3: Cross multiply
    3,280.94x = 4,527.54 × 1,864.44
  4. Step 4: Simplify right side
    3,280.94x = 8,441,326.68
  5. Step 5: Solve for x
    x = 8,441,326.68/3,280.94
  6. Step 6: Final answer
    x = 2,572.84

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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.