Home / 3,435-4,739.88-2,176.66

Finding the Fourth Proportional to 3,435, 4,739.88 and 2,176.66

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Solution

The fourth proportional to 3,435, 4,739.88 and 2,176.66 is: 3,003.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435 : 4,739.88 = 2,176.66 : x
  2. Step 2: Convert to fraction form
    3,435/4,739.88 = 2,176.66/x
  3. Step 3: Cross multiply
    3,435x = 4,739.88 × 2,176.66
  4. Step 4: Simplify right side
    3,435x = 10,317,107.20
  5. Step 5: Solve for x
    x = 10,317,107.20/3,435
  6. Step 6: Final answer
    x = 3,003.52

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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.