Home / 1,569.22-2,353.58-414.96

Finding the Fourth Proportional to 1,569.22, 2,353.58 and 414.96

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Solution

The fourth proportional to 1,569.22, 2,353.58 and 414.96 is: 622.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569.22 : 2,353.58 = 414.96 : x
  2. Step 2: Convert to fraction form
    1,569.22/2,353.58 = 414.96/x
  3. Step 3: Cross multiply
    1,569.22x = 2,353.58 × 414.96
  4. Step 4: Simplify right side
    1,569.22x = 976,641.56
  5. Step 5: Solve for x
    x = 976,641.56/1,569.22
  6. Step 6: Final answer
    x = 622.37

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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.