Home / 3,137.10-4,332.13-2,019.99

Finding the Fourth Proportional to 3,137.10, 4,332.13 and 2,019.99

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Solution

The fourth proportional to 3,137.10, 4,332.13 and 2,019.99 is: 2,789.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137.10 : 4,332.13 = 2,019.99 : x
  2. Step 2: Convert to fraction form
    3,137.10/4,332.13 = 2,019.99/x
  3. Step 3: Cross multiply
    3,137.10x = 4,332.13 × 2,019.99
  4. Step 4: Simplify right side
    3,137.10x = 8,750,857.47
  5. Step 5: Solve for x
    x = 8,750,857.47/3,137.10
  6. Step 6: Final answer
    x = 2,789.47

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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.