Home / 2,551.04-3,826.55-1,317.81

Finding the Fourth Proportional to 2,551.04, 3,826.55 and 1,317.81

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Solution

The fourth proportional to 2,551.04, 3,826.55 and 1,317.81 is: 1,976.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551.04 : 3,826.55 = 1,317.81 : x
  2. Step 2: Convert to fraction form
    2,551.04/3,826.55 = 1,317.81/x
  3. Step 3: Cross multiply
    2,551.04x = 3,826.55 × 1,317.81
  4. Step 4: Simplify right side
    2,551.04x = 5,042,669.15
  5. Step 5: Solve for x
    x = 5,042,669.15/2,551.04
  6. Step 6: Final answer
    x = 1,976.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.