Home / 3,307.19-4,563.07-1,979.95

Finding the Fourth Proportional to 3,307.19, 4,563.07 and 1,979.95

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Solution

The fourth proportional to 3,307.19, 4,563.07 and 1,979.95 is: 2,731.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,307.19 : 4,563.07 = 1,979.95 : x
  2. Step 2: Convert to fraction form
    3,307.19/4,563.07 = 1,979.95/x
  3. Step 3: Cross multiply
    3,307.19x = 4,563.07 × 1,979.95
  4. Step 4: Simplify right side
    3,307.19x = 9,034,655.48
  5. Step 5: Solve for x
    x = 9,034,655.48/3,307.19
  6. Step 6: Final answer
    x = 2,731.82

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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.