Home / 1,805.13-2,491.29-1,106.64

Finding the Fourth Proportional to 1,805.13, 2,491.29 and 1,106.64

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Solution

The fourth proportional to 1,805.13, 2,491.29 and 1,106.64 is: 1,527.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805.13 : 2,491.29 = 1,106.64 : x
  2. Step 2: Convert to fraction form
    1,805.13/2,491.29 = 1,106.64/x
  3. Step 3: Cross multiply
    1,805.13x = 2,491.29 × 1,106.64
  4. Step 4: Simplify right side
    1,805.13x = 2,756,961.17
  5. Step 5: Solve for x
    x = 2,756,961.17/1,805.13
  6. Step 6: Final answer
    x = 1,527.29

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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.