Home / 3,082.58-4,253.78-1,756.43

Finding the Fourth Proportional to 3,082.58, 4,253.78 and 1,756.43

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Solution

The fourth proportional to 3,082.58, 4,253.78 and 1,756.43 is: 2,423.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,082.58 : 4,253.78 = 1,756.43 : x
  2. Step 2: Convert to fraction form
    3,082.58/4,253.78 = 1,756.43/x
  3. Step 3: Cross multiply
    3,082.58x = 4,253.78 × 1,756.43
  4. Step 4: Simplify right side
    3,082.58x = 7,471,458.02
  5. Step 5: Solve for x
    x = 7,471,458.02/3,082.58
  6. Step 6: Final answer
    x = 2,423.77

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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.