Home / 3,010.21-4,154.25-1,815.58

Finding the Fourth Proportional to 3,010.21, 4,154.25 and 1,815.58

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Solution

The fourth proportional to 3,010.21, 4,154.25 and 1,815.58 is: 2,505.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,010.21 : 4,154.25 = 1,815.58 : x
  2. Step 2: Convert to fraction form
    3,010.21/4,154.25 = 1,815.58/x
  3. Step 3: Cross multiply
    3,010.21x = 4,154.25 × 1,815.58
  4. Step 4: Simplify right side
    3,010.21x = 7,542,343.37
  5. Step 5: Solve for x
    x = 7,542,343.37/3,010.21
  6. Step 6: Final answer
    x = 2,505.59

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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.