Home / 1,781.51-2,684.42-1,463.99

Finding the Fourth Proportional to 1,781.51, 2,684.42 and 1,463.99

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Solution

The fourth proportional to 1,781.51, 2,684.42 and 1,463.99 is: 2,205.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781.51 : 2,684.42 = 1,463.99 : x
  2. Step 2: Convert to fraction form
    1,781.51/2,684.42 = 1,463.99/x
  3. Step 3: Cross multiply
    1,781.51x = 2,684.42 × 1,463.99
  4. Step 4: Simplify right side
    1,781.51x = 3,929,948.78
  5. Step 5: Solve for x
    x = 3,929,948.78/1,781.51
  6. Step 6: Final answer
    x = 2,205.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.