Home / 1,842.90-2,531.09-1,707.62

Finding the Fourth Proportional to 1,842.90, 2,531.09 and 1,707.62

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Solution

The fourth proportional to 1,842.90, 2,531.09 and 1,707.62 is: 2,345.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,842.90 : 2,531.09 = 1,707.62 : x
  2. Step 2: Convert to fraction form
    1,842.90/2,531.09 = 1,707.62/x
  3. Step 3: Cross multiply
    1,842.90x = 2,531.09 × 1,707.62
  4. Step 4: Simplify right side
    1,842.90x = 4,322,139.91
  5. Step 5: Solve for x
    x = 4,322,139.91/1,842.90
  6. Step 6: Final answer
    x = 2,345.29

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.