Home / 1,644.79-2,267.31-1,246.57

Finding the Fourth Proportional to 1,644.79, 2,267.31 and 1,246.57

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Solution

The fourth proportional to 1,644.79, 2,267.31 and 1,246.57 is: 1,718.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644.79 : 2,267.31 = 1,246.57 : x
  2. Step 2: Convert to fraction form
    1,644.79/2,267.31 = 1,246.57/x
  3. Step 3: Cross multiply
    1,644.79x = 2,267.31 × 1,246.57
  4. Step 4: Simplify right side
    1,644.79x = 2,826,360.63
  5. Step 5: Solve for x
    x = 2,826,360.63/1,644.79
  6. Step 6: Final answer
    x = 1,718.37

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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.