Home / 2,888.16-3,985.90-1,629.15

Finding the Fourth Proportional to 2,888.16, 3,985.90 and 1,629.15

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Solution

The fourth proportional to 2,888.16, 3,985.90 and 1,629.15 is: 2,248.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,888.16 : 3,985.90 = 1,629.15 : x
  2. Step 2: Convert to fraction form
    2,888.16/3,985.90 = 1,629.15/x
  3. Step 3: Cross multiply
    2,888.16x = 3,985.90 × 1,629.15
  4. Step 4: Simplify right side
    2,888.16x = 6,493,609.97
  5. Step 5: Solve for x
    x = 6,493,609.97/2,888.16
  6. Step 6: Final answer
    x = 2,248.36

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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.