Home / 3,715.78-5,575.48-1,635.52

Finding the Fourth Proportional to 3,715.78, 5,575.48 and 1,635.52

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Solution

The fourth proportional to 3,715.78, 5,575.48 and 1,635.52 is: 2,454.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,715.78 : 5,575.48 = 1,635.52 : x
  2. Step 2: Convert to fraction form
    3,715.78/5,575.48 = 1,635.52/x
  3. Step 3: Cross multiply
    3,715.78x = 5,575.48 × 1,635.52
  4. Step 4: Simplify right side
    3,715.78x = 9,118,809.05
  5. Step 5: Solve for x
    x = 9,118,809.05/3,715.78
  6. Step 6: Final answer
    x = 2,454.08

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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.