Home / 2,551.35-3,520.89-1,489.17

Finding the Fourth Proportional to 2,551.35, 3,520.89 and 1,489.17

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Solution

The fourth proportional to 2,551.35, 3,520.89 and 1,489.17 is: 2,055.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551.35 : 3,520.89 = 1,489.17 : x
  2. Step 2: Convert to fraction form
    2,551.35/3,520.89 = 1,489.17/x
  3. Step 3: Cross multiply
    2,551.35x = 3,520.89 × 1,489.17
  4. Step 4: Simplify right side
    2,551.35x = 5,243,203.76
  5. Step 5: Solve for x
    x = 5,243,203.76/2,551.35
  6. Step 6: Final answer
    x = 2,055.07

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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.