Home / 2,429.63-3,352.89-1,381.70

Finding the Fourth Proportional to 2,429.63, 3,352.89 and 1,381.70

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Solution

The fourth proportional to 2,429.63, 3,352.89 and 1,381.70 is: 1,906.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,429.63 : 3,352.89 = 1,381.70 : x
  2. Step 2: Convert to fraction form
    2,429.63/3,352.89 = 1,381.70/x
  3. Step 3: Cross multiply
    2,429.63x = 3,352.89 × 1,381.70
  4. Step 4: Simplify right side
    2,429.63x = 4,632,664.44
  5. Step 5: Solve for x
    x = 4,632,664.44/2,429.63
  6. Step 6: Final answer
    x = 1,906.73

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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.