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Finding the Fourth Proportional to 3,348.52, 4,620.79 and 1,856.42

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Solution

The fourth proportional to 3,348.52, 4,620.79 and 1,856.42 is: 2,561.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,348.52 : 4,620.79 = 1,856.42 : x
  2. Step 2: Convert to fraction form
    3,348.52/4,620.79 = 1,856.42/x
  3. Step 3: Cross multiply
    3,348.52x = 4,620.79 × 1,856.42
  4. Step 4: Simplify right side
    3,348.52x = 8,578,117.69
  5. Step 5: Solve for x
    x = 8,578,117.69/3,348.52
  6. Step 6: Final answer
    x = 2,561.77

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.