Home / 1,719.70-2,575.33-1,553.30

Finding the Fourth Proportional to 1,719.70, 2,575.33 and 1,553.30

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Solution

The fourth proportional to 1,719.70, 2,575.33 and 1,553.30 is: 2,326.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719.70 : 2,575.33 = 1,553.30 : x
  2. Step 2: Convert to fraction form
    1,719.70/2,575.33 = 1,553.30/x
  3. Step 3: Cross multiply
    1,719.70x = 2,575.33 × 1,553.30
  4. Step 4: Simplify right side
    1,719.70x = 4,000,260.09
  5. Step 5: Solve for x
    x = 4,000,260.09/1,719.70
  6. Step 6: Final answer
    x = 2,326.14

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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.