Home / 3,315.55-4,972.54-1,236.53

Finding the Fourth Proportional to 3,315.55, 4,972.54 and 1,236.53

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Solution

The fourth proportional to 3,315.55, 4,972.54 and 1,236.53 is: 1,854.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315.55 : 4,972.54 = 1,236.53 : x
  2. Step 2: Convert to fraction form
    3,315.55/4,972.54 = 1,236.53/x
  3. Step 3: Cross multiply
    3,315.55x = 4,972.54 × 1,236.53
  4. Step 4: Simplify right side
    3,315.55x = 6,148,694.89
  5. Step 5: Solve for x
    x = 6,148,694.89/3,315.55
  6. Step 6: Final answer
    x = 1,854.50

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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.