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Finding the Fourth Proportional to 2,092.88, 2,888.04 and 1,306.88

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Solution

The fourth proportional to 2,092.88, 2,888.04 and 1,306.88 is: 1,803.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,092.88 : 2,888.04 = 1,306.88 : x
  2. Step 2: Convert to fraction form
    2,092.88/2,888.04 = 1,306.88/x
  3. Step 3: Cross multiply
    2,092.88x = 2,888.04 × 1,306.88
  4. Step 4: Simplify right side
    2,092.88x = 3,774,321.72
  5. Step 5: Solve for x
    x = 3,774,321.72/2,092.88
  6. Step 6: Final answer
    x = 1,803.41

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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.