Home / 3,087.26-4,262.35-2,377.76

Finding the Fourth Proportional to 3,087.26, 4,262.35 and 2,377.76

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Solution

The fourth proportional to 3,087.26, 4,262.35 and 2,377.76 is: 3,282.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087.26 : 4,262.35 = 2,377.76 : x
  2. Step 2: Convert to fraction form
    3,087.26/4,262.35 = 2,377.76/x
  3. Step 3: Cross multiply
    3,087.26x = 4,262.35 × 2,377.76
  4. Step 4: Simplify right side
    3,087.26x = 10,134,845.34
  5. Step 5: Solve for x
    x = 10,134,845.34/3,087.26
  6. Step 6: Final answer
    x = 3,282.80

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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.