Home / 4,082.54-5,635.19-2,315.32

Finding the Fourth Proportional to 4,082.54, 5,635.19 and 2,315.32

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Solution

The fourth proportional to 4,082.54, 5,635.19 and 2,315.32 is: 3,195.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,082.54 : 5,635.19 = 2,315.32 : x
  2. Step 2: Convert to fraction form
    4,082.54/5,635.19 = 2,315.32/x
  3. Step 3: Cross multiply
    4,082.54x = 5,635.19 × 2,315.32
  4. Step 4: Simplify right side
    4,082.54x = 13,047,268.11
  5. Step 5: Solve for x
    x = 13,047,268.11/4,082.54
  6. Step 6: Final answer
    x = 3,195.87

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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.