Home / 3,280.53-4,923.39-1,721.01

Finding the Fourth Proportional to 3,280.53, 4,923.39 and 1,721.01

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Solution

The fourth proportional to 3,280.53, 4,923.39 and 1,721.01 is: 2,582.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.53 : 4,923.39 = 1,721.01 : x
  2. Step 2: Convert to fraction form
    3,280.53/4,923.39 = 1,721.01/x
  3. Step 3: Cross multiply
    3,280.53x = 4,923.39 × 1,721.01
  4. Step 4: Simplify right side
    3,280.53x = 8,473,203.42
  5. Step 5: Solve for x
    x = 8,473,203.42/3,280.53
  6. Step 6: Final answer
    x = 2,582.88

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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.