Home / 1,553.03-2,330.49-579.95

Finding the Fourth Proportional to 1,553.03, 2,330.49 and 579.95

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Solution

The fourth proportional to 1,553.03, 2,330.49 and 579.95 is: 870.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553.03 : 2,330.49 = 579.95 : x
  2. Step 2: Convert to fraction form
    1,553.03/2,330.49 = 579.95/x
  3. Step 3: Cross multiply
    1,553.03x = 2,330.49 × 579.95
  4. Step 4: Simplify right side
    1,553.03x = 1,351,567.68
  5. Step 5: Solve for x
    x = 1,351,567.68/1,553.03
  6. Step 6: Final answer
    x = 870.28

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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.