Home / 3,425.42-5,131.25-1,573.95

Finding the Fourth Proportional to 3,425.42, 5,131.25 and 1,573.95

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Solution

The fourth proportional to 3,425.42, 5,131.25 and 1,573.95 is: 2,357.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.42 : 5,131.25 = 1,573.95 : x
  2. Step 2: Convert to fraction form
    3,425.42/5,131.25 = 1,573.95/x
  3. Step 3: Cross multiply
    3,425.42x = 5,131.25 × 1,573.95
  4. Step 4: Simplify right side
    3,425.42x = 8,076,323.07
  5. Step 5: Solve for x
    x = 8,076,323.07/3,425.42
  6. Step 6: Final answer
    x = 2,357.76

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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.