Home / 2,781.17-4,173.47-1,137.73

Finding the Fourth Proportional to 2,781.17, 4,173.47 and 1,137.73

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Solution

The fourth proportional to 2,781.17, 4,173.47 and 1,137.73 is: 1,707.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,781.17 : 4,173.47 = 1,137.73 : x
  2. Step 2: Convert to fraction form
    2,781.17/4,173.47 = 1,137.73/x
  3. Step 3: Cross multiply
    2,781.17x = 4,173.47 × 1,137.73
  4. Step 4: Simplify right side
    2,781.17x = 4,748,282.02
  5. Step 5: Solve for x
    x = 4,748,282.02/2,781.17
  6. Step 6: Final answer
    x = 1,707.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.