Home / 3,353.65-4,628.31-1,861.87

Finding the Fourth Proportional to 3,353.65, 4,628.31 and 1,861.87

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Solution

The fourth proportional to 3,353.65, 4,628.31 and 1,861.87 is: 2,569.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,353.65 : 4,628.31 = 1,861.87 : x
  2. Step 2: Convert to fraction form
    3,353.65/4,628.31 = 1,861.87/x
  3. Step 3: Cross multiply
    3,353.65x = 4,628.31 × 1,861.87
  4. Step 4: Simplify right side
    3,353.65x = 8,617,311.54
  5. Step 5: Solve for x
    x = 8,617,311.54/3,353.65
  6. Step 6: Final answer
    x = 2,569.53

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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.