Home / 2,310.33-3,188.25-1,262.40

Finding the Fourth Proportional to 2,310.33, 3,188.25 and 1,262.40

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Solution

The fourth proportional to 2,310.33, 3,188.25 and 1,262.40 is: 1,742.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,310.33 : 3,188.25 = 1,262.40 : x
  2. Step 2: Convert to fraction form
    2,310.33/3,188.25 = 1,262.40/x
  3. Step 3: Cross multiply
    2,310.33x = 3,188.25 × 1,262.40
  4. Step 4: Simplify right side
    2,310.33x = 4,024,846.80
  5. Step 5: Solve for x
    x = 4,024,846.80/2,310.33
  6. Step 6: Final answer
    x = 1,742.11

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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.