Home / 2,708.42-3,737.48-1,529.28

Finding the Fourth Proportional to 2,708.42, 3,737.48 and 1,529.28

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Solution

The fourth proportional to 2,708.42, 3,737.48 and 1,529.28 is: 2,110.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,708.42 : 3,737.48 = 1,529.28 : x
  2. Step 2: Convert to fraction form
    2,708.42/3,737.48 = 1,529.28/x
  3. Step 3: Cross multiply
    2,708.42x = 3,737.48 × 1,529.28
  4. Step 4: Simplify right side
    2,708.42x = 5,715,645.77
  5. Step 5: Solve for x
    x = 5,715,645.77/2,708.42
  6. Step 6: Final answer
    x = 2,110.33

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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.