Home / 1,781.03-2,457.81-1,073.27

Finding the Fourth Proportional to 1,781.03, 2,457.81 and 1,073.27

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Solution

The fourth proportional to 1,781.03, 2,457.81 and 1,073.27 is: 1,481.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781.03 : 2,457.81 = 1,073.27 : x
  2. Step 2: Convert to fraction form
    1,781.03/2,457.81 = 1,073.27/x
  3. Step 3: Cross multiply
    1,781.03x = 2,457.81 × 1,073.27
  4. Step 4: Simplify right side
    1,781.03x = 2,637,899.88
  5. Step 5: Solve for x
    x = 2,637,899.88/1,781.03
  6. Step 6: Final answer
    x = 1,481.11

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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.