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Finding the Fourth Proportional to 2,888.03, 3,985.50 and 1,611.97

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Solution

The fourth proportional to 2,888.03, 3,985.50 and 1,611.97 is: 2,224.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,888.03 : 3,985.50 = 1,611.97 : x
  2. Step 2: Convert to fraction form
    2,888.03/3,985.50 = 1,611.97/x
  3. Step 3: Cross multiply
    2,888.03x = 3,985.50 × 1,611.97
  4. Step 4: Simplify right side
    2,888.03x = 6,424,490.33
  5. Step 5: Solve for x
    x = 6,424,490.33/2,888.03
  6. Step 6: Final answer
    x = 2,224.52

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1.5x scale

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.