Home / 1,813.59-2,500.83-1,575.54

Finding the Fourth Proportional to 1,813.59, 2,500.83 and 1,575.54

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Solution

The fourth proportional to 1,813.59, 2,500.83 and 1,575.54 is: 2,172.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813.59 : 2,500.83 = 1,575.54 : x
  2. Step 2: Convert to fraction form
    1,813.59/2,500.83 = 1,575.54/x
  3. Step 3: Cross multiply
    1,813.59x = 2,500.83 × 1,575.54
  4. Step 4: Simplify right side
    1,813.59x = 3,940,157.70
  5. Step 5: Solve for x
    x = 3,940,157.70/1,813.59
  6. Step 6: Final answer
    x = 2,172.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.