Home / 3,595.89-5,392.78-1,620.38

Finding the Fourth Proportional to 3,595.89, 5,392.78 and 1,620.38

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Solution

The fourth proportional to 3,595.89, 5,392.78 and 1,620.38 is: 2,430.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,595.89 : 5,392.78 = 1,620.38 : x
  2. Step 2: Convert to fraction form
    3,595.89/5,392.78 = 1,620.38/x
  3. Step 3: Cross multiply
    3,595.89x = 5,392.78 × 1,620.38
  4. Step 4: Simplify right side
    3,595.89x = 8,738,347.12
  5. Step 5: Solve for x
    x = 8,738,347.12/3,595.89
  6. Step 6: Final answer
    x = 2,430.09

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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.