Home / 2,685.09-3,703.43-1,799.35

Finding the Fourth Proportional to 2,685.09, 3,703.43 and 1,799.35

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Solution

The fourth proportional to 2,685.09, 3,703.43 and 1,799.35 is: 2,481.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685.09 : 3,703.43 = 1,799.35 : x
  2. Step 2: Convert to fraction form
    2,685.09/3,703.43 = 1,799.35/x
  3. Step 3: Cross multiply
    2,685.09x = 3,703.43 × 1,799.35
  4. Step 4: Simplify right side
    2,685.09x = 6,663,775.90
  5. Step 5: Solve for x
    x = 6,663,775.90/2,685.09
  6. Step 6: Final answer
    x = 2,481.77

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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.