Home / 1,759.21-2,427.68-1,013.23

Finding the Fourth Proportional to 1,759.21, 2,427.68 and 1,013.23

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Solution

The fourth proportional to 1,759.21, 2,427.68 and 1,013.23 is: 1,398.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759.21 : 2,427.68 = 1,013.23 : x
  2. Step 2: Convert to fraction form
    1,759.21/2,427.68 = 1,013.23/x
  3. Step 3: Cross multiply
    1,759.21x = 2,427.68 × 1,013.23
  4. Step 4: Simplify right side
    1,759.21x = 2,459,812.03
  5. Step 5: Solve for x
    x = 2,459,812.03/1,759.21
  6. Step 6: Final answer
    x = 1,398.25

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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.