Home / 1,634.43-2,435.12-1,551.81

Finding the Fourth Proportional to 1,634.43, 2,435.12 and 1,551.81

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Solution

The fourth proportional to 1,634.43, 2,435.12 and 1,551.81 is: 2,312.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,634.43 : 2,435.12 = 1,551.81 : x
  2. Step 2: Convert to fraction form
    1,634.43/2,435.12 = 1,551.81/x
  3. Step 3: Cross multiply
    1,634.43x = 2,435.12 × 1,551.81
  4. Step 4: Simplify right side
    1,634.43x = 3,778,847.45
  5. Step 5: Solve for x
    x = 3,778,847.45/1,634.43
  6. Step 6: Final answer
    x = 2,312.03

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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.