Home / 3,280.52-4,526.04-2,020.28

Finding the Fourth Proportional to 3,280.52, 4,526.04 and 2,020.28

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Solution

The fourth proportional to 3,280.52, 4,526.04 and 2,020.28 is: 2,787.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.52 : 4,526.04 = 2,020.28 : x
  2. Step 2: Convert to fraction form
    3,280.52/4,526.04 = 2,020.28/x
  3. Step 3: Cross multiply
    3,280.52x = 4,526.04 × 2,020.28
  4. Step 4: Simplify right side
    3,280.52x = 9,143,868.09
  5. Step 5: Solve for x
    x = 9,143,868.09/3,280.52
  6. Step 6: Final answer
    x = 2,787.32

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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.