Home / 2,310.56-3,188.58-1,262.63

Finding the Fourth Proportional to 2,310.56, 3,188.58 and 1,262.63

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Solution

The fourth proportional to 2,310.56, 3,188.58 and 1,262.63 is: 1,742.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,310.56 : 3,188.58 = 1,262.63 : x
  2. Step 2: Convert to fraction form
    2,310.56/3,188.58 = 1,262.63/x
  3. Step 3: Cross multiply
    2,310.56x = 3,188.58 × 1,262.63
  4. Step 4: Simplify right side
    2,310.56x = 4,025,996.77
  5. Step 5: Solve for x
    x = 4,025,996.77/2,310.56
  6. Step 6: Final answer
    x = 1,742.43

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1.5x scale

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.