Home / 3,458.65-5,180.35-2,858.86

Finding the Fourth Proportional to 3,458.65, 5,180.35 and 2,858.86

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Solution

The fourth proportional to 3,458.65, 5,180.35 and 2,858.86 is: 4,281.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458.65 : 5,180.35 = 2,858.86 : x
  2. Step 2: Convert to fraction form
    3,458.65/5,180.35 = 2,858.86/x
  3. Step 3: Cross multiply
    3,458.65x = 5,180.35 × 2,858.86
  4. Step 4: Simplify right side
    3,458.65x = 14,809,895.40
  5. Step 5: Solve for x
    x = 14,809,895.40/3,458.65
  6. Step 6: Final answer
    x = 4,281.99

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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.