Home / 1,868.07-2,577.85-1,082.37

Finding the Fourth Proportional to 1,868.07, 2,577.85 and 1,082.37

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Solution

The fourth proportional to 1,868.07, 2,577.85 and 1,082.37 is: 1,493.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868.07 : 2,577.85 = 1,082.37 : x
  2. Step 2: Convert to fraction form
    1,868.07/2,577.85 = 1,082.37/x
  3. Step 3: Cross multiply
    1,868.07x = 2,577.85 × 1,082.37
  4. Step 4: Simplify right side
    1,868.07x = 2,790,184.80
  5. Step 5: Solve for x
    x = 2,790,184.80/1,868.07
  6. Step 6: Final answer
    x = 1,493.62

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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.