Home / 2,529.47-3,488.86-2,057.38

Finding the Fourth Proportional to 2,529.47, 3,488.86 and 2,057.38

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Solution

The fourth proportional to 2,529.47, 3,488.86 and 2,057.38 is: 2,837.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,529.47 : 3,488.86 = 2,057.38 : x
  2. Step 2: Convert to fraction form
    2,529.47/3,488.86 = 2,057.38/x
  3. Step 3: Cross multiply
    2,529.47x = 3,488.86 × 2,057.38
  4. Step 4: Simplify right side
    2,529.47x = 7,177,910.79
  5. Step 5: Solve for x
    x = 7,177,910.79/2,529.47
  6. Step 6: Final answer
    x = 2,837.71

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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.