Home / 2,629.14-3,628.85-1,581

Finding the Fourth Proportional to 2,629.14, 3,628.85 and 1,581

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Solution

The fourth proportional to 2,629.14, 3,628.85 and 1,581 is: 2,182.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629.14 : 3,628.85 = 1,581 : x
  2. Step 2: Convert to fraction form
    2,629.14/3,628.85 = 1,581/x
  3. Step 3: Cross multiply
    2,629.14x = 3,628.85 × 1,581
  4. Step 4: Simplify right side
    2,629.14x = 5,737,203.95
  5. Step 5: Solve for x
    x = 5,737,203.95/2,629.14
  6. Step 6: Final answer
    x = 2,182.16

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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.