Home / 2,636.12-3,634.88-1,797.31

Finding the Fourth Proportional to 2,636.12, 3,634.88 and 1,797.31

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Solution

The fourth proportional to 2,636.12, 3,634.88 and 1,797.31 is: 2,478.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,636.12 : 3,634.88 = 1,797.31 : x
  2. Step 2: Convert to fraction form
    2,636.12/3,634.88 = 1,797.31/x
  3. Step 3: Cross multiply
    2,636.12x = 3,634.88 × 1,797.31
  4. Step 4: Simplify right side
    2,636.12x = 6,533,006.17
  5. Step 5: Solve for x
    x = 6,533,006.17/2,636.12
  6. Step 6: Final answer
    x = 2,478.27

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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.