Home / 2,886.36-3,983.13-1,627.53

Finding the Fourth Proportional to 2,886.36, 3,983.13 and 1,627.53

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Solution

The fourth proportional to 2,886.36, 3,983.13 and 1,627.53 is: 2,245.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,886.36 : 3,983.13 = 1,627.53 : x
  2. Step 2: Convert to fraction form
    2,886.36/3,983.13 = 1,627.53/x
  3. Step 3: Cross multiply
    2,886.36x = 3,983.13 × 1,627.53
  4. Step 4: Simplify right side
    2,886.36x = 6,482,663.57
  5. Step 5: Solve for x
    x = 6,482,663.57/2,886.36
  6. Step 6: Final answer
    x = 2,245.97

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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.