Home / 1,553.07-2,329.57-383.08

Finding the Fourth Proportional to 1,553.07, 2,329.57 and 383.08

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Solution

The fourth proportional to 1,553.07, 2,329.57 and 383.08 is: 574.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553.07 : 2,329.57 = 383.08 : x
  2. Step 2: Convert to fraction form
    1,553.07/2,329.57 = 383.08/x
  3. Step 3: Cross multiply
    1,553.07x = 2,329.57 × 383.08
  4. Step 4: Simplify right side
    1,553.07x = 892,411.68
  5. Step 5: Solve for x
    x = 892,411.68/1,553.07
  6. Step 6: Final answer
    x = 574.61

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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.