Home / 2,636.60-3,637.91-1,573.88

Finding the Fourth Proportional to 2,636.60, 3,637.91 and 1,573.88

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Solution

The fourth proportional to 2,636.60, 3,637.91 and 1,573.88 is: 2,171.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,636.60 : 3,637.91 = 1,573.88 : x
  2. Step 2: Convert to fraction form
    2,636.60/3,637.91 = 1,573.88/x
  3. Step 3: Cross multiply
    2,636.60x = 3,637.91 × 1,573.88
  4. Step 4: Simplify right side
    2,636.60x = 5,725,619.54
  5. Step 5: Solve for x
    x = 5,725,619.54/2,636.60
  6. Step 6: Final answer
    x = 2,171.60

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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.