Home / 4,042.52-5,581.64-2,628.28

Finding the Fourth Proportional to 4,042.52, 5,581.64 and 2,628.28

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Solution

The fourth proportional to 4,042.52, 5,581.64 and 2,628.28 is: 3,628.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,042.52 : 5,581.64 = 2,628.28 : x
  2. Step 2: Convert to fraction form
    4,042.52/5,581.64 = 2,628.28/x
  3. Step 3: Cross multiply
    4,042.52x = 5,581.64 × 2,628.28
  4. Step 4: Simplify right side
    4,042.52x = 14,670,112.78
  5. Step 5: Solve for x
    x = 14,670,112.78/4,042.52
  6. Step 6: Final answer
    x = 3,628.95

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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.