Home / 2,310.52-3,188.73-1,262.74

Finding the Fourth Proportional to 2,310.52, 3,188.73 and 1,262.74

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Solution

The fourth proportional to 2,310.52, 3,188.73 and 1,262.74 is: 1,742.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,310.52 : 3,188.73 = 1,262.74 : x
  2. Step 2: Convert to fraction form
    2,310.52/3,188.73 = 1,262.74/x
  3. Step 3: Cross multiply
    2,310.52x = 3,188.73 × 1,262.74
  4. Step 4: Simplify right side
    2,310.52x = 4,026,533.68
  5. Step 5: Solve for x
    x = 4,026,533.68/2,310.52
  6. Step 6: Final answer
    x = 1,742.70

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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.