Home / 3,139.37-4,703.32-1,470.43

Finding the Fourth Proportional to 3,139.37, 4,703.32 and 1,470.43

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Solution

The fourth proportional to 3,139.37, 4,703.32 and 1,470.43 is: 2,202.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139.37 : 4,703.32 = 1,470.43 : x
  2. Step 2: Convert to fraction form
    3,139.37/4,703.32 = 1,470.43/x
  3. Step 3: Cross multiply
    3,139.37x = 4,703.32 × 1,470.43
  4. Step 4: Simplify right side
    3,139.37x = 6,915,895.48
  5. Step 5: Solve for x
    x = 6,915,895.48/3,139.37
  6. Step 6: Final answer
    x = 2,202.96

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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.