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Finding the Fourth Proportional to 1,895.75, 2,840.94 and 1,616.66

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Solution

The fourth proportional to 1,895.75, 2,840.94 and 1,616.66 is: 2,422.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,895.75 : 2,840.94 = 1,616.66 : x
  2. Step 2: Convert to fraction form
    1,895.75/2,840.94 = 1,616.66/x
  3. Step 3: Cross multiply
    1,895.75x = 2,840.94 × 1,616.66
  4. Step 4: Simplify right side
    1,895.75x = 4,592,819.86
  5. Step 5: Solve for x
    x = 4,592,819.86/1,895.75
  6. Step 6: Final answer
    x = 2,422.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.