Home / 2,310.09-3,188.06-1,425.91

Finding the Fourth Proportional to 2,310.09, 3,188.06 and 1,425.91

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Solution

The fourth proportional to 2,310.09, 3,188.06 and 1,425.91 is: 1,967.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,310.09 : 3,188.06 = 1,425.91 : x
  2. Step 2: Convert to fraction form
    2,310.09/3,188.06 = 1,425.91/x
  3. Step 3: Cross multiply
    2,310.09x = 3,188.06 × 1,425.91
  4. Step 4: Simplify right side
    2,310.09x = 4,545,897.84
  5. Step 5: Solve for x
    x = 4,545,897.84/2,310.09
  6. Step 6: Final answer
    x = 1,967.84

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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.