Home / 1,760.73-2,636.28-1,142.90

Finding the Fourth Proportional to 1,760.73, 2,636.28 and 1,142.90

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Solution

The fourth proportional to 1,760.73, 2,636.28 and 1,142.90 is: 1,711.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760.73 : 2,636.28 = 1,142.90 : x
  2. Step 2: Convert to fraction form
    1,760.73/2,636.28 = 1,142.90/x
  3. Step 3: Cross multiply
    1,760.73x = 2,636.28 × 1,142.90
  4. Step 4: Simplify right side
    1,760.73x = 3,012,991.23
  5. Step 5: Solve for x
    x = 3,012,991.23/1,760.73
  6. Step 6: Final answer
    x = 1,711.22

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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.