Home / 3,470.88-4,790.40-2,730.48

Finding the Fourth Proportional to 3,470.88, 4,790.40 and 2,730.48

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Solution

The fourth proportional to 3,470.88, 4,790.40 and 2,730.48 is: 3,768.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,470.88 : 4,790.40 = 2,730.48 : x
  2. Step 2: Convert to fraction form
    3,470.88/4,790.40 = 2,730.48/x
  3. Step 3: Cross multiply
    3,470.88x = 4,790.40 × 2,730.48
  4. Step 4: Simplify right side
    3,470.88x = 13,080,091.39
  5. Step 5: Solve for x
    x = 13,080,091.39/3,470.88
  6. Step 6: Final answer
    x = 3,768.52

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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.