Home / 1,553.23-2,329.78-383.18

Finding the Fourth Proportional to 1,553.23, 2,329.78 and 383.18

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Solution

The fourth proportional to 1,553.23, 2,329.78 and 383.18 is: 574.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553.23 : 2,329.78 = 383.18 : x
  2. Step 2: Convert to fraction form
    1,553.23/2,329.78 = 383.18/x
  3. Step 3: Cross multiply
    1,553.23x = 2,329.78 × 383.18
  4. Step 4: Simplify right side
    1,553.23x = 892,713.45
  5. Step 5: Solve for x
    x = 892,713.45/1,553.23
  6. Step 6: Final answer
    x = 574.75

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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.