Home / 1,817.47-2,727.83-1,240.75

Finding the Fourth Proportional to 1,817.47, 2,727.83 and 1,240.75

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Solution

The fourth proportional to 1,817.47, 2,727.83 and 1,240.75 is: 1,862.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817.47 : 2,727.83 = 1,240.75 : x
  2. Step 2: Convert to fraction form
    1,817.47/2,727.83 = 1,240.75/x
  3. Step 3: Cross multiply
    1,817.47x = 2,727.83 × 1,240.75
  4. Step 4: Simplify right side
    1,817.47x = 3,384,555.07
  5. Step 5: Solve for x
    x = 3,384,555.07/1,817.47
  6. Step 6: Final answer
    x = 1,862.23

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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.