Home / 2,890.60-4,338.78-1,592.68

Finding the Fourth Proportional to 2,890.60, 4,338.78 and 1,592.68

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Solution

The fourth proportional to 2,890.60, 4,338.78 and 1,592.68 is: 2,390.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890.60 : 4,338.78 = 1,592.68 : x
  2. Step 2: Convert to fraction form
    2,890.60/4,338.78 = 1,592.68/x
  3. Step 3: Cross multiply
    2,890.60x = 4,338.78 × 1,592.68
  4. Step 4: Simplify right side
    2,890.60x = 6,910,288.13
  5. Step 5: Solve for x
    x = 6,910,288.13/2,890.60
  6. Step 6: Final answer
    x = 2,390.61

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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.