Home / 2,688.53-4,033.80-1,454.49

Finding the Fourth Proportional to 2,688.53, 4,033.80 and 1,454.49

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Solution

The fourth proportional to 2,688.53, 4,033.80 and 1,454.49 is: 2,182.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688.53 : 4,033.80 = 1,454.49 : x
  2. Step 2: Convert to fraction form
    2,688.53/4,033.80 = 1,454.49/x
  3. Step 3: Cross multiply
    2,688.53x = 4,033.80 × 1,454.49
  4. Step 4: Simplify right side
    2,688.53x = 5,867,121.76
  5. Step 5: Solve for x
    x = 5,867,121.76/2,688.53
  6. Step 6: Final answer
    x = 2,182.28

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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.