Home / 3,308.78-4,566.14-1,816.66

Finding the Fourth Proportional to 3,308.78, 4,566.14 and 1,816.66

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Solution

The fourth proportional to 3,308.78, 4,566.14 and 1,816.66 is: 2,507.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,308.78 : 4,566.14 = 1,816.66 : x
  2. Step 2: Convert to fraction form
    3,308.78/4,566.14 = 1,816.66/x
  3. Step 3: Cross multiply
    3,308.78x = 4,566.14 × 1,816.66
  4. Step 4: Simplify right side
    3,308.78x = 8,295,123.89
  5. Step 5: Solve for x
    x = 8,295,123.89/3,308.78
  6. Step 6: Final answer
    x = 2,507.00

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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.