Home / 1,755.29-2,422.70-1,009.67

Finding the Fourth Proportional to 1,755.29, 2,422.70 and 1,009.67

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Solution

The fourth proportional to 1,755.29, 2,422.70 and 1,009.67 is: 1,393.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755.29 : 2,422.70 = 1,009.67 : x
  2. Step 2: Convert to fraction form
    1,755.29/2,422.70 = 1,009.67/x
  3. Step 3: Cross multiply
    1,755.29x = 2,422.70 × 1,009.67
  4. Step 4: Simplify right side
    1,755.29x = 2,446,136.09
  5. Step 5: Solve for x
    x = 2,446,136.09/1,755.29
  6. Step 6: Final answer
    x = 1,393.58

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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.