Home / 3,280.83-4,527.32-1,864.55

Finding the Fourth Proportional to 3,280.83, 4,527.32 and 1,864.55

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Solution

The fourth proportional to 3,280.83, 4,527.32 and 1,864.55 is: 2,572.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.83 : 4,527.32 = 1,864.55 : x
  2. Step 2: Convert to fraction form
    3,280.83/4,527.32 = 1,864.55/x
  3. Step 3: Cross multiply
    3,280.83x = 4,527.32 × 1,864.55
  4. Step 4: Simplify right side
    3,280.83x = 8,441,382.55
  5. Step 5: Solve for x
    x = 8,441,382.55/3,280.83
  6. Step 6: Final answer
    x = 2,572.94

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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.