Home / 2,429.46-3,352.47-1,381.38

Finding the Fourth Proportional to 2,429.46, 3,352.47 and 1,381.38

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Solution

The fourth proportional to 2,429.46, 3,352.47 and 1,381.38 is: 1,906.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,429.46 : 3,352.47 = 1,381.38 : x
  2. Step 2: Convert to fraction form
    2,429.46/3,352.47 = 1,381.38/x
  3. Step 3: Cross multiply
    2,429.46x = 3,352.47 × 1,381.38
  4. Step 4: Simplify right side
    2,429.46x = 4,631,035.01
  5. Step 5: Solve for x
    x = 4,631,035.01/2,429.46
  6. Step 6: Final answer
    x = 1,906.20

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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.