Home / 2,876.34-4,318.02-1,893.54

Finding the Fourth Proportional to 2,876.34, 4,318.02 and 1,893.54

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Solution

The fourth proportional to 2,876.34, 4,318.02 and 1,893.54 is: 2,842.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,876.34 : 4,318.02 = 1,893.54 : x
  2. Step 2: Convert to fraction form
    2,876.34/4,318.02 = 1,893.54/x
  3. Step 3: Cross multiply
    2,876.34x = 4,318.02 × 1,893.54
  4. Step 4: Simplify right side
    2,876.34x = 8,176,343.59
  5. Step 5: Solve for x
    x = 8,176,343.59/2,876.34
  6. Step 6: Final answer
    x = 2,842.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.