Home / 2,315.05-3,190.57-1,828.44

Finding the Fourth Proportional to 2,315.05, 3,190.57 and 1,828.44

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Solution

The fourth proportional to 2,315.05, 3,190.57 and 1,828.44 is: 2,519.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,315.05 : 3,190.57 = 1,828.44 : x
  2. Step 2: Convert to fraction form
    2,315.05/3,190.57 = 1,828.44/x
  3. Step 3: Cross multiply
    2,315.05x = 3,190.57 × 1,828.44
  4. Step 4: Simplify right side
    2,315.05x = 5,833,765.81
  5. Step 5: Solve for x
    x = 5,833,765.81/2,315.05
  6. Step 6: Final answer
    x = 2,519.93

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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.