Home / 1,082.35-1,492.84-933.25

Finding the Fourth Proportional to 1,082.35, 1,492.84 and 933.25

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Solution

The fourth proportional to 1,082.35, 1,492.84 and 933.25 is: 1,287.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082.35 : 1,492.84 = 933.25 : x
  2. Step 2: Convert to fraction form
    1,082.35/1,492.84 = 933.25/x
  3. Step 3: Cross multiply
    1,082.35x = 1,492.84 × 933.25
  4. Step 4: Simplify right side
    1,082.35x = 1,393,192.93
  5. Step 5: Solve for x
    x = 1,393,192.93/1,082.35
  6. Step 6: Final answer
    x = 1,287.19

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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.