Home / 2,272.45-3,135.17-1,486.95

Finding the Fourth Proportional to 2,272.45, 3,135.17 and 1,486.95

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Solution

The fourth proportional to 2,272.45, 3,135.17 and 1,486.95 is: 2,051.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,272.45 : 3,135.17 = 1,486.95 : x
  2. Step 2: Convert to fraction form
    2,272.45/3,135.17 = 1,486.95/x
  3. Step 3: Cross multiply
    2,272.45x = 3,135.17 × 1,486.95
  4. Step 4: Simplify right side
    2,272.45x = 4,661,841.03
  5. Step 5: Solve for x
    x = 4,661,841.03/2,272.45
  6. Step 6: Final answer
    x = 2,051.46

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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.