Home / 2,406.64-3,320.92-1,358.52

Finding the Fourth Proportional to 2,406.64, 3,320.92 and 1,358.52

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Solution

The fourth proportional to 2,406.64, 3,320.92 and 1,358.52 is: 1,874.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,406.64 : 3,320.92 = 1,358.52 : x
  2. Step 2: Convert to fraction form
    2,406.64/3,320.92 = 1,358.52/x
  3. Step 3: Cross multiply
    2,406.64x = 3,320.92 × 1,358.52
  4. Step 4: Simplify right side
    2,406.64x = 4,511,536.24
  5. Step 5: Solve for x
    x = 4,511,536.24/2,406.64
  6. Step 6: Final answer
    x = 1,874.62

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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.