Home / 2,025.33-3,036.70-855.02

Finding the Fourth Proportional to 2,025.33, 3,036.70 and 855.02

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Solution

The fourth proportional to 2,025.33, 3,036.70 and 855.02 is: 1,281.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,025.33 : 3,036.70 = 855.02 : x
  2. Step 2: Convert to fraction form
    2,025.33/3,036.70 = 855.02/x
  3. Step 3: Cross multiply
    2,025.33x = 3,036.70 × 855.02
  4. Step 4: Simplify right side
    2,025.33x = 2,596,421.91
  5. Step 5: Solve for x
    x = 2,596,421.91/2,025.33
  6. Step 6: Final answer
    x = 1,281.97

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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.