Home / 3,310.05-4,567.90-1,818.11

Finding the Fourth Proportional to 3,310.05, 4,567.90 and 1,818.11

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Solution

The fourth proportional to 3,310.05, 4,567.90 and 1,818.11 is: 2,509.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,310.05 : 4,567.90 = 1,818.11 : x
  2. Step 2: Convert to fraction form
    3,310.05/4,567.90 = 1,818.11/x
  3. Step 3: Cross multiply
    3,310.05x = 4,567.90 × 1,818.11
  4. Step 4: Simplify right side
    3,310.05x = 8,304,917.28
  5. Step 5: Solve for x
    x = 8,304,917.28/3,310.05
  6. Step 6: Final answer
    x = 2,509.00

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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.