Home / 1,719.44-2,372.08-1,020.68

Finding the Fourth Proportional to 1,719.44, 2,372.08 and 1,020.68

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Solution

The fourth proportional to 1,719.44, 2,372.08 and 1,020.68 is: 1,408.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719.44 : 2,372.08 = 1,020.68 : x
  2. Step 2: Convert to fraction form
    1,719.44/2,372.08 = 1,020.68/x
  3. Step 3: Cross multiply
    1,719.44x = 2,372.08 × 1,020.68
  4. Step 4: Simplify right side
    1,719.44x = 2,421,134.61
  5. Step 5: Solve for x
    x = 2,421,134.61/1,719.44
  6. Step 6: Final answer
    x = 1,408.09

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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.