Home / 3,285.31-4,533.60-1,868.98

Finding the Fourth Proportional to 3,285.31, 4,533.60 and 1,868.98

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Solution

The fourth proportional to 3,285.31, 4,533.60 and 1,868.98 is: 2,579.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,285.31 : 4,533.60 = 1,868.98 : x
  2. Step 2: Convert to fraction form
    3,285.31/4,533.60 = 1,868.98/x
  3. Step 3: Cross multiply
    3,285.31x = 4,533.60 × 1,868.98
  4. Step 4: Simplify right side
    3,285.31x = 8,473,207.73
  5. Step 5: Solve for x
    x = 8,473,207.73/3,285.31
  6. Step 6: Final answer
    x = 2,579.12

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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.