Home / 3,156.26-4,355.45-1,739.88

Finding the Fourth Proportional to 3,156.26, 4,355.45 and 1,739.88

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Solution

The fourth proportional to 3,156.26, 4,355.45 and 1,739.88 is: 2,400.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156.26 : 4,355.45 = 1,739.88 : x
  2. Step 2: Convert to fraction form
    3,156.26/4,355.45 = 1,739.88/x
  3. Step 3: Cross multiply
    3,156.26x = 4,355.45 × 1,739.88
  4. Step 4: Simplify right side
    3,156.26x = 7,577,938.58
  5. Step 5: Solve for x
    x = 7,577,938.58/3,156.26
  6. Step 6: Final answer
    x = 2,400.92

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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.