Home / 2,076.53-3,115.13-1,036.58

Finding the Fourth Proportional to 2,076.53, 3,115.13 and 1,036.58

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Solution

The fourth proportional to 2,076.53, 3,115.13 and 1,036.58 is: 1,555.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076.53 : 3,115.13 = 1,036.58 : x
  2. Step 2: Convert to fraction form
    2,076.53/3,115.13 = 1,036.58/x
  3. Step 3: Cross multiply
    2,076.53x = 3,115.13 × 1,036.58
  4. Step 4: Simplify right side
    2,076.53x = 3,229,060.70
  5. Step 5: Solve for x
    x = 3,229,060.70/2,076.53
  6. Step 6: Final answer
    x = 1,555.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.