Home / 1,868.07-2,577.92-1,082.19

Finding the Fourth Proportional to 1,868.07, 2,577.92 and 1,082.19

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Solution

The fourth proportional to 1,868.07, 2,577.92 and 1,082.19 is: 1,493.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868.07 : 2,577.92 = 1,082.19 : x
  2. Step 2: Convert to fraction form
    1,868.07/2,577.92 = 1,082.19/x
  3. Step 3: Cross multiply
    1,868.07x = 2,577.92 × 1,082.19
  4. Step 4: Simplify right side
    1,868.07x = 2,789,793.83
  5. Step 5: Solve for x
    x = 2,789,793.83/1,868.07
  6. Step 6: Final answer
    x = 1,493.41

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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.