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Finding the Fourth Proportional to 3,773.88, 5,208.57 and 2,888.01

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Solution

The fourth proportional to 3,773.88, 5,208.57 and 2,888.01 is: 3,985.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,773.88 : 5,208.57 = 2,888.01 : x
  2. Step 2: Convert to fraction form
    3,773.88/5,208.57 = 2,888.01/x
  3. Step 3: Cross multiply
    3,773.88x = 5,208.57 × 2,888.01
  4. Step 4: Simplify right side
    3,773.88x = 15,042,402.25
  5. Step 5: Solve for x
    x = 15,042,402.25/3,773.88
  6. Step 6: Final answer
    x = 3,985.92

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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.