Home / 1,553.23-2,329.65-579.07

Finding the Fourth Proportional to 1,553.23, 2,329.65 and 579.07

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Solution

The fourth proportional to 1,553.23, 2,329.65 and 579.07 is: 868.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553.23 : 2,329.65 = 579.07 : x
  2. Step 2: Convert to fraction form
    1,553.23/2,329.65 = 579.07/x
  3. Step 3: Cross multiply
    1,553.23x = 2,329.65 × 579.07
  4. Step 4: Simplify right side
    1,553.23x = 1,349,030.43
  5. Step 5: Solve for x
    x = 1,349,030.43/1,553.23
  6. Step 6: Final answer
    x = 868.53

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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.