Home / 3,935.39-5,905.37-1,470.12

Finding the Fourth Proportional to 3,935.39, 5,905.37 and 1,470.12

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Solution

The fourth proportional to 3,935.39, 5,905.37 and 1,470.12 is: 2,206.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,935.39 : 5,905.37 = 1,470.12 : x
  2. Step 2: Convert to fraction form
    3,935.39/5,905.37 = 1,470.12/x
  3. Step 3: Cross multiply
    3,935.39x = 5,905.37 × 1,470.12
  4. Step 4: Simplify right side
    3,935.39x = 8,681,595.19
  5. Step 5: Solve for x
    x = 8,681,595.19/3,935.39
  6. Step 6: Final answer
    x = 2,206.03

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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.