Home / 1,719.56-2,580.66-1,134.38

Finding the Fourth Proportional to 1,719.56, 2,580.66 and 1,134.38

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Solution

The fourth proportional to 1,719.56, 2,580.66 and 1,134.38 is: 1,702.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719.56 : 2,580.66 = 1,134.38 : x
  2. Step 2: Convert to fraction form
    1,719.56/2,580.66 = 1,134.38/x
  3. Step 3: Cross multiply
    1,719.56x = 2,580.66 × 1,134.38
  4. Step 4: Simplify right side
    1,719.56x = 2,927,449.09
  5. Step 5: Solve for x
    x = 2,927,449.09/1,719.56
  6. Step 6: Final answer
    x = 1,702.44

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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.