Home / 3,139.37-4,332.67-2,006.07

Finding the Fourth Proportional to 3,139.37, 4,332.67 and 2,006.07

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Solution

The fourth proportional to 3,139.37, 4,332.67 and 2,006.07 is: 2,768.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139.37 : 4,332.67 = 2,006.07 : x
  2. Step 2: Convert to fraction form
    3,139.37/4,332.67 = 2,006.07/x
  3. Step 3: Cross multiply
    3,139.37x = 4,332.67 × 2,006.07
  4. Step 4: Simplify right side
    3,139.37x = 8,691,634.29
  5. Step 5: Solve for x
    x = 8,691,634.29/3,139.37
  6. Step 6: Final answer
    x = 2,768.60

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1.5x scale

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.