Home / 2,708.20-3,737.29-1,529.23

Finding the Fourth Proportional to 2,708.20, 3,737.29 and 1,529.23

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Solution

The fourth proportional to 2,708.20, 3,737.29 and 1,529.23 is: 2,110.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,708.20 : 3,737.29 = 1,529.23 : x
  2. Step 2: Convert to fraction form
    2,708.20/3,737.29 = 1,529.23/x
  3. Step 3: Cross multiply
    2,708.20x = 3,737.29 × 1,529.23
  4. Step 4: Simplify right side
    2,708.20x = 5,715,175.99
  5. Step 5: Solve for x
    x = 5,715,175.99/2,708.20
  6. Step 6: Final answer
    x = 2,110.32

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1.5x scale

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.