Home / 3,356.70-5,013.09-2,857.79

Finding the Fourth Proportional to 3,356.70, 5,013.09 and 2,857.79

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Solution

The fourth proportional to 3,356.70, 5,013.09 and 2,857.79 is: 4,267.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,356.70 : 5,013.09 = 2,857.79 : x
  2. Step 2: Convert to fraction form
    3,356.70/5,013.09 = 2,857.79/x
  3. Step 3: Cross multiply
    3,356.70x = 5,013.09 × 2,857.79
  4. Step 4: Simplify right side
    3,356.70x = 14,326,344.12
  5. Step 5: Solve for x
    x = 14,326,344.12/3,356.70
  6. Step 6: Final answer
    x = 4,267.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.