Home / 2,405.97-3,320.24-1,358.04

Finding the Fourth Proportional to 2,405.97, 3,320.24 and 1,358.04

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Solution

The fourth proportional to 2,405.97, 3,320.24 and 1,358.04 is: 1,874.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,405.97 : 3,320.24 = 1,358.04 : x
  2. Step 2: Convert to fraction form
    2,405.97/3,320.24 = 1,358.04/x
  3. Step 3: Cross multiply
    2,405.97x = 3,320.24 × 1,358.04
  4. Step 4: Simplify right side
    2,405.97x = 4,509,018.73
  5. Step 5: Solve for x
    x = 4,509,018.73/2,405.97
  6. Step 6: Final answer
    x = 1,874.10

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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.