Home / 3,935.79-5,903.50-1,470.42

Finding the Fourth Proportional to 3,935.79, 5,903.50 and 1,470.42

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Solution

The fourth proportional to 3,935.79, 5,903.50 and 1,470.42 is: 2,205.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,935.79 : 5,903.50 = 1,470.42 : x
  2. Step 2: Convert to fraction form
    3,935.79/5,903.50 = 1,470.42/x
  3. Step 3: Cross multiply
    3,935.79x = 5,903.50 × 1,470.42
  4. Step 4: Simplify right side
    3,935.79x = 8,680,624.47
  5. Step 5: Solve for x
    x = 8,680,624.47/3,935.79
  6. Step 6: Final answer
    x = 2,205.56

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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.