Home / 3,280.97-4,527.95-1,864.64

Finding the Fourth Proportional to 3,280.97, 4,527.95 and 1,864.64

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Solution

The fourth proportional to 3,280.97, 4,527.95 and 1,864.64 is: 2,573.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.97 : 4,527.95 = 1,864.64 : x
  2. Step 2: Convert to fraction form
    3,280.97/4,527.95 = 1,864.64/x
  3. Step 3: Cross multiply
    3,280.97x = 4,527.95 × 1,864.64
  4. Step 4: Simplify right side
    3,280.97x = 8,442,964.73
  5. Step 5: Solve for x
    x = 8,442,964.73/3,280.97
  6. Step 6: Final answer
    x = 2,573.32

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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.