Home / 1,816.97-2,507.23-1,109.17

Finding the Fourth Proportional to 1,816.97, 2,507.23 and 1,109.17

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Solution

The fourth proportional to 1,816.97, 2,507.23 and 1,109.17 is: 1,530.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816.97 : 2,507.23 = 1,109.17 : x
  2. Step 2: Convert to fraction form
    1,816.97/2,507.23 = 1,109.17/x
  3. Step 3: Cross multiply
    1,816.97x = 2,507.23 × 1,109.17
  4. Step 4: Simplify right side
    1,816.97x = 2,780,926.22
  5. Step 5: Solve for x
    x = 2,780,926.22/1,816.97
  6. Step 6: Final answer
    x = 1,530.53

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1.5x scale

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.