Home / 2,310.29-3,188.19-1,262.34

Finding the Fourth Proportional to 2,310.29, 3,188.19 and 1,262.34

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Solution

The fourth proportional to 2,310.29, 3,188.19 and 1,262.34 is: 1,742.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,310.29 : 3,188.19 = 1,262.34 : x
  2. Step 2: Convert to fraction form
    2,310.29/3,188.19 = 1,262.34/x
  3. Step 3: Cross multiply
    2,310.29x = 3,188.19 × 1,262.34
  4. Step 4: Simplify right side
    2,310.29x = 4,024,579.76
  5. Step 5: Solve for x
    x = 4,024,579.76/2,310.29
  6. Step 6: Final answer
    x = 1,742.03

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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.