Home / 3,123.03-4,685.91-1,824.51

Finding the Fourth Proportional to 3,123.03, 4,685.91 and 1,824.51

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Solution

The fourth proportional to 3,123.03, 4,685.91 and 1,824.51 is: 2,737.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,123.03 : 4,685.91 = 1,824.51 : x
  2. Step 2: Convert to fraction form
    3,123.03/4,685.91 = 1,824.51/x
  3. Step 3: Cross multiply
    3,123.03x = 4,685.91 × 1,824.51
  4. Step 4: Simplify right side
    3,123.03x = 8,549,489.65
  5. Step 5: Solve for x
    x = 8,549,489.65/3,123.03
  6. Step 6: Final answer
    x = 2,737.56

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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.