Home / 4,082.80-5,632.63-2,666.02

Finding the Fourth Proportional to 4,082.80, 5,632.63 and 2,666.02

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Solution

The fourth proportional to 4,082.80, 5,632.63 and 2,666.02 is: 3,678.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,082.80 : 5,632.63 = 2,666.02 : x
  2. Step 2: Convert to fraction form
    4,082.80/5,632.63 = 2,666.02/x
  3. Step 3: Cross multiply
    4,082.80x = 5,632.63 × 2,666.02
  4. Step 4: Simplify right side
    4,082.80x = 15,016,704.23
  5. Step 5: Solve for x
    x = 15,016,704.23/4,082.80
  6. Step 6: Final answer
    x = 3,678.04

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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.