Home / 1,719.28-2,372.62-933.34

Finding the Fourth Proportional to 1,719.28, 2,372.62 and 933.34

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Solution

The fourth proportional to 1,719.28, 2,372.62 and 933.34 is: 1,288.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719.28 : 2,372.62 = 933.34 : x
  2. Step 2: Convert to fraction form
    1,719.28/2,372.62 = 933.34/x
  3. Step 3: Cross multiply
    1,719.28x = 2,372.62 × 933.34
  4. Step 4: Simplify right side
    1,719.28x = 2,214,461.15
  5. Step 5: Solve for x
    x = 2,214,461.15/1,719.28
  6. Step 6: Final answer
    x = 1,288.02

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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.