Home / 3,203.31-4,421.78-1,877.02

Finding the Fourth Proportional to 3,203.31, 4,421.78 and 1,877.02

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Solution

The fourth proportional to 3,203.31, 4,421.78 and 1,877.02 is: 2,591.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,203.31 : 4,421.78 = 1,877.02 : x
  2. Step 2: Convert to fraction form
    3,203.31/4,421.78 = 1,877.02/x
  3. Step 3: Cross multiply
    3,203.31x = 4,421.78 × 1,877.02
  4. Step 4: Simplify right side
    3,203.31x = 8,299,769.50
  5. Step 5: Solve for x
    x = 8,299,769.50/3,203.31
  6. Step 6: Final answer
    x = 2,591.00

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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.