Home / 2,106.52-2,902.62-1,790.68

Finding the Fourth Proportional to 2,106.52, 2,902.62 and 1,790.68

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Solution

The fourth proportional to 2,106.52, 2,902.62 and 1,790.68 is: 2,467.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106.52 : 2,902.62 = 1,790.68 : x
  2. Step 2: Convert to fraction form
    2,106.52/2,902.62 = 1,790.68/x
  3. Step 3: Cross multiply
    2,106.52x = 2,902.62 × 1,790.68
  4. Step 4: Simplify right side
    2,106.52x = 5,197,663.58
  5. Step 5: Solve for x
    x = 5,197,663.58/2,106.52
  6. Step 6: Final answer
    x = 2,467.42

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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.