Home / 3,271.05-4,899.76-2,574.38

Finding the Fourth Proportional to 3,271.05, 4,899.76 and 2,574.38

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Solution

The fourth proportional to 3,271.05, 4,899.76 and 2,574.38 is: 3,856.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.05 : 4,899.76 = 2,574.38 : x
  2. Step 2: Convert to fraction form
    3,271.05/4,899.76 = 2,574.38/x
  3. Step 3: Cross multiply
    3,271.05x = 4,899.76 × 2,574.38
  4. Step 4: Simplify right side
    3,271.05x = 12,613,849.96
  5. Step 5: Solve for x
    x = 12,613,849.96/3,271.05
  6. Step 6: Final answer
    x = 3,856.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.