Home / 3,102.60-4,649.94-1,455.51

Finding the Fourth Proportional to 3,102.60, 4,649.94 and 1,455.51

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Solution

The fourth proportional to 3,102.60, 4,649.94 and 1,455.51 is: 2,181.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102.60 : 4,649.94 = 1,455.51 : x
  2. Step 2: Convert to fraction form
    3,102.60/4,649.94 = 1,455.51/x
  3. Step 3: Cross multiply
    3,102.60x = 4,649.94 × 1,455.51
  4. Step 4: Simplify right side
    3,102.60x = 6,768,034.17
  5. Step 5: Solve for x
    x = 6,768,034.17/3,102.60
  6. Step 6: Final answer
    x = 2,181.41

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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.