Home / 1,599.22-2,206.29-1,009.43

Finding the Fourth Proportional to 1,599.22, 2,206.29 and 1,009.43

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Solution

The fourth proportional to 1,599.22, 2,206.29 and 1,009.43 is: 1,392.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,599.22 : 2,206.29 = 1,009.43 : x
  2. Step 2: Convert to fraction form
    1,599.22/2,206.29 = 1,009.43/x
  3. Step 3: Cross multiply
    1,599.22x = 2,206.29 × 1,009.43
  4. Step 4: Simplify right side
    1,599.22x = 2,227,095.31
  5. Step 5: Solve for x
    x = 2,227,095.31/1,599.22
  6. Step 6: Final answer
    x = 1,392.61

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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.