Home / 1,754.85-2,421.55-1,082.46

Finding the Fourth Proportional to 1,754.85, 2,421.55 and 1,082.46

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Solution

The fourth proportional to 1,754.85, 2,421.55 and 1,082.46 is: 1,493.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754.85 : 2,421.55 = 1,082.46 : x
  2. Step 2: Convert to fraction form
    1,754.85/2,421.55 = 1,082.46/x
  3. Step 3: Cross multiply
    1,754.85x = 2,421.55 × 1,082.46
  4. Step 4: Simplify right side
    1,754.85x = 2,621,235.36
  5. Step 5: Solve for x
    x = 2,621,235.36/1,754.85
  6. Step 6: Final answer
    x = 1,493.71

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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.