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Finding the Fourth Proportional to 1,805.94, 2,492.62 and 1,175.38

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Solution

The fourth proportional to 1,805.94, 2,492.62 and 1,175.38 is: 1,622.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805.94 : 2,492.62 = 1,175.38 : x
  2. Step 2: Convert to fraction form
    1,805.94/2,492.62 = 1,175.38/x
  3. Step 3: Cross multiply
    1,805.94x = 2,492.62 × 1,175.38
  4. Step 4: Simplify right side
    1,805.94x = 2,929,775.70
  5. Step 5: Solve for x
    x = 2,929,775.70/1,805.94
  6. Step 6: Final answer
    x = 1,622.30

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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.