Home / 2,262.63-3,122.45-1,318.53

Finding the Fourth Proportional to 2,262.63, 3,122.45 and 1,318.53

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Solution

The fourth proportional to 2,262.63, 3,122.45 and 1,318.53 is: 1,819.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,262.63 : 3,122.45 = 1,318.53 : x
  2. Step 2: Convert to fraction form
    2,262.63/3,122.45 = 1,318.53/x
  3. Step 3: Cross multiply
    2,262.63x = 3,122.45 × 1,318.53
  4. Step 4: Simplify right side
    2,262.63x = 4,117,036.50
  5. Step 5: Solve for x
    x = 4,117,036.50/2,262.63
  6. Step 6: Final answer
    x = 1,819.58

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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.