Home / 3,036-4,188.48-1,916.52

Finding the Fourth Proportional to 3,036, 4,188.48 and 1,916.52

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Solution

The fourth proportional to 3,036, 4,188.48 and 1,916.52 is: 2,644.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036 : 4,188.48 = 1,916.52 : x
  2. Step 2: Convert to fraction form
    3,036/4,188.48 = 1,916.52/x
  3. Step 3: Cross multiply
    3,036x = 4,188.48 × 1,916.52
  4. Step 4: Simplify right side
    3,036x = 8,027,305.69
  5. Step 5: Solve for x
    x = 8,027,305.69/3,036
  6. Step 6: Final answer
    x = 2,644.04

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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.