Home / 2,558.76-3,835.80-1,097.08

Finding the Fourth Proportional to 2,558.76, 3,835.80 and 1,097.08

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Solution

The fourth proportional to 2,558.76, 3,835.80 and 1,097.08 is: 1,644.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,558.76 : 3,835.80 = 1,097.08 : x
  2. Step 2: Convert to fraction form
    2,558.76/3,835.80 = 1,097.08/x
  3. Step 3: Cross multiply
    2,558.76x = 3,835.80 × 1,097.08
  4. Step 4: Simplify right side
    2,558.76x = 4,208,179.46
  5. Step 5: Solve for x
    x = 4,208,179.46/2,558.76
  6. Step 6: Final answer
    x = 1,644.62

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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.