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Finding the Fourth Proportional to 3,374.69, 4,656.05 and 1,957.89

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Solution

The fourth proportional to 3,374.69, 4,656.05 and 1,957.89 is: 2,701.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,374.69 : 4,656.05 = 1,957.89 : x
  2. Step 2: Convert to fraction form
    3,374.69/4,656.05 = 1,957.89/x
  3. Step 3: Cross multiply
    3,374.69x = 4,656.05 × 1,957.89
  4. Step 4: Simplify right side
    3,374.69x = 9,116,023.95
  5. Step 5: Solve for x
    x = 9,116,023.95/3,374.69
  6. Step 6: Final answer
    x = 2,701.29

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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.