Home / 1,173.29-1,619.23-701.21

Finding the Fourth Proportional to 1,173.29, 1,619.23 and 701.21

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Solution

The fourth proportional to 1,173.29, 1,619.23 and 701.21 is: 967.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173.29 : 1,619.23 = 701.21 : x
  2. Step 2: Convert to fraction form
    1,173.29/1,619.23 = 701.21/x
  3. Step 3: Cross multiply
    1,173.29x = 1,619.23 × 701.21
  4. Step 4: Simplify right side
    1,173.29x = 1,135,418.22
  5. Step 5: Solve for x
    x = 1,135,418.22/1,173.29
  6. Step 6: Final answer
    x = 967.72

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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.