Home / 3,330.59-4,987.64-2,679.95

Finding the Fourth Proportional to 3,330.59, 4,987.64 and 2,679.95

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Solution

The fourth proportional to 3,330.59, 4,987.64 and 2,679.95 is: 4,013.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330.59 : 4,987.64 = 2,679.95 : x
  2. Step 2: Convert to fraction form
    3,330.59/4,987.64 = 2,679.95/x
  3. Step 3: Cross multiply
    3,330.59x = 4,987.64 × 2,679.95
  4. Step 4: Simplify right side
    3,330.59x = 13,366,644.99
  5. Step 5: Solve for x
    x = 13,366,644.99/3,330.59
  6. Step 6: Final answer
    x = 4,013.30

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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.