Home / 1,966.74-2,712.33-1,636.26

Finding the Fourth Proportional to 1,966.74, 2,712.33 and 1,636.26

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Solution

The fourth proportional to 1,966.74, 2,712.33 and 1,636.26 is: 2,256.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966.74 : 2,712.33 = 1,636.26 : x
  2. Step 2: Convert to fraction form
    1,966.74/2,712.33 = 1,636.26/x
  3. Step 3: Cross multiply
    1,966.74x = 2,712.33 × 1,636.26
  4. Step 4: Simplify right side
    1,966.74x = 4,438,077.09
  5. Step 5: Solve for x
    x = 4,438,077.09/1,966.74
  6. Step 6: Final answer
    x = 2,256.57

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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.