Home / 3,139.96-4,328.22-2,513.02

Finding the Fourth Proportional to 3,139.96, 4,328.22 and 2,513.02

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Solution

The fourth proportional to 3,139.96, 4,328.22 and 2,513.02 is: 3,464.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139.96 : 4,328.22 = 2,513.02 : x
  2. Step 2: Convert to fraction form
    3,139.96/4,328.22 = 2,513.02/x
  3. Step 3: Cross multiply
    3,139.96x = 4,328.22 × 2,513.02
  4. Step 4: Simplify right side
    3,139.96x = 10,876,903.42
  5. Step 5: Solve for x
    x = 10,876,903.42/3,139.96
  6. Step 6: Final answer
    x = 3,464.03

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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.