Home / 1,644.29-2,266.62-1,246.07

Finding the Fourth Proportional to 1,644.29, 2,266.62 and 1,246.07

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Solution

The fourth proportional to 1,644.29, 2,266.62 and 1,246.07 is: 1,717.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644.29 : 2,266.62 = 1,246.07 : x
  2. Step 2: Convert to fraction form
    1,644.29/2,266.62 = 1,246.07/x
  3. Step 3: Cross multiply
    1,644.29x = 2,266.62 × 1,246.07
  4. Step 4: Simplify right side
    1,644.29x = 2,824,367.18
  5. Step 5: Solve for x
    x = 2,824,367.18/1,644.29
  6. Step 6: Final answer
    x = 1,717.68

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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.