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Finding the Fourth Proportional to 2,636.88, 3,956.73 and 1,712.22

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Solution

The fourth proportional to 2,636.88, 3,956.73 and 1,712.22 is: 2,569.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,636.88 : 3,956.73 = 1,712.22 : x
  2. Step 2: Convert to fraction form
    2,636.88/3,956.73 = 1,712.22/x
  3. Step 3: Cross multiply
    2,636.88x = 3,956.73 × 1,712.22
  4. Step 4: Simplify right side
    2,636.88x = 6,774,792.24
  5. Step 5: Solve for x
    x = 6,774,792.24/2,636.88
  6. Step 6: Final answer
    x = 2,569.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.