Home / 1,817.24-2,507.32-1,109.03

Finding the Fourth Proportional to 1,817.24, 2,507.32 and 1,109.03

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Solution

The fourth proportional to 1,817.24, 2,507.32 and 1,109.03 is: 1,530.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817.24 : 2,507.32 = 1,109.03 : x
  2. Step 2: Convert to fraction form
    1,817.24/2,507.32 = 1,109.03/x
  3. Step 3: Cross multiply
    1,817.24x = 2,507.32 × 1,109.03
  4. Step 4: Simplify right side
    1,817.24x = 2,780,696.05
  5. Step 5: Solve for x
    x = 2,780,696.05/1,817.24
  6. Step 6: Final answer
    x = 1,530.18

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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.