Home / 1,699.22-2,342-1,131.04

Finding the Fourth Proportional to 1,699.22, 2,342 and 1,131.04

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Solution

The fourth proportional to 1,699.22, 2,342 and 1,131.04 is: 1,558.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,699.22 : 2,342 = 1,131.04 : x
  2. Step 2: Convert to fraction form
    1,699.22/2,342 = 1,131.04/x
  3. Step 3: Cross multiply
    1,699.22x = 2,342 × 1,131.04
  4. Step 4: Simplify right side
    1,699.22x = 2,648,895.68
  5. Step 5: Solve for x
    x = 2,648,895.68/1,699.22
  6. Step 6: Final answer
    x = 1,558.89

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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.