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Finding the Fourth Proportional to 2,897.54, 4,000 and 2,060

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Solution

The fourth proportional to 2,897.54, 4,000 and 2,060 is: 2,843.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,897.54 : 4,000 = 2,060 : x
  2. Step 2: Convert to fraction form
    2,897.54/4,000 = 2,060/x
  3. Step 3: Cross multiply
    2,897.54x = 4,000 × 2,060
  4. Step 4: Simplify right side
    2,897.54x = 8,240,000
  5. Step 5: Solve for x
    x = 8,240,000/2,897.54
  6. Step 6: Final answer
    x = 2,843.79

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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.