Home / 2,764.23-3,814.40-1,585.28

Finding the Fourth Proportional to 2,764.23, 3,814.40 and 1,585.28

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Solution

The fourth proportional to 2,764.23, 3,814.40 and 1,585.28 is: 2,187.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,764.23 : 3,814.40 = 1,585.28 : x
  2. Step 2: Convert to fraction form
    2,764.23/3,814.40 = 1,585.28/x
  3. Step 3: Cross multiply
    2,764.23x = 3,814.40 × 1,585.28
  4. Step 4: Simplify right side
    2,764.23x = 6,046,876.92
  5. Step 5: Solve for x
    x = 6,046,876.92/2,764.23
  6. Step 6: Final answer
    x = 2,187.54

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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.