Home / 1,781.94-2,457.92-1,073.30

Finding the Fourth Proportional to 1,781.94, 2,457.92 and 1,073.30

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Solution

The fourth proportional to 1,781.94, 2,457.92 and 1,073.30 is: 1,480.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781.94 : 2,457.92 = 1,073.30 : x
  2. Step 2: Convert to fraction form
    1,781.94/2,457.92 = 1,073.30/x
  3. Step 3: Cross multiply
    1,781.94x = 2,457.92 × 1,073.30
  4. Step 4: Simplify right side
    1,781.94x = 2,638,077.10
  5. Step 5: Solve for x
    x = 2,638,077.10/1,781.94
  6. Step 6: Final answer
    x = 1,480.45

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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.