Home / 2,031.45-3,032.49-1,785.42

Finding the Fourth Proportional to 2,031.45, 3,032.49 and 1,785.42

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Solution

The fourth proportional to 2,031.45, 3,032.49 and 1,785.42 is: 2,665.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031.45 : 3,032.49 = 1,785.42 : x
  2. Step 2: Convert to fraction form
    2,031.45/3,032.49 = 1,785.42/x
  3. Step 3: Cross multiply
    2,031.45x = 3,032.49 × 1,785.42
  4. Step 4: Simplify right side
    2,031.45x = 5,414,268.30
  5. Step 5: Solve for x
    x = 5,414,268.30/2,031.45
  6. Step 6: Final answer
    x = 2,665.22

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.